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vue中用js如何實(shí)現(xiàn)循環(huán)可編輯表格

 更新時(shí)間:2022年09月09日 10:13:52   作者:芝士焗紅薯  
這篇文章主要介紹了vue中用js如何實(shí)現(xiàn)循環(huán)可編輯表格,具有很好的參考價(jià)值,希望對(duì)大家有所幫助。如有錯(cuò)誤或未考慮完全的地方,望不吝賜教

vue用js實(shí)現(xiàn)循環(huán)可編輯表格

最近項(xiàng)目中需要實(shí)現(xiàn)一個(gè)很復(fù)雜的表格,嘗試用組件寫(xiě),半天寫(xiě)不出來(lái),循環(huán)真的好繞,最后直接求助大哥幫我用原生js寫(xiě)了一個(gè)。

大哥巴拉巴拉講了半天,先這樣在那樣,問(wèn)我懂了嗎

我說(shuō)懂了!

大哥說(shuō)那你寫(xiě)吧我看著。

我打開(kāi)vs table 停住。

大哥說(shuō) 算了我來(lái)吧 你看著。

躺著真好家人們 我是廢物。

表格的需求

簡(jiǎn)單總結(jié)一下就是

1.表格需要?jiǎng)討B(tài),根據(jù)輸入的數(shù)字顯示列數(shù) 

2.表格可編輯、可禁用、可計(jì)算

其實(shí)單純表格可編輯是比較簡(jiǎn)單的,主要是根據(jù)輸入的年份顯示對(duì)應(yīng)的內(nèi)容,就需要對(duì)表格進(jìn)行循環(huán),我用組件循環(huán)的時(shí)候總是出現(xiàn)整行或者整列數(shù)據(jù)都一起變的情況,所以需要找到可以編輯單元格的方法。

經(jīng)過(guò)測(cè)試發(fā)現(xiàn)這個(gè)表格,原來(lái)的大哥也是用js寫(xiě)的,并且寫(xiě)死了30年,你輸入之后的年份,也只會(huì)出現(xiàn)30年的數(shù)據(jù)。所以我們直接跟他一樣!

我們可以定義一個(gè)對(duì)象,之后不斷地把內(nèi)容添加進(jìn)這個(gè)對(duì)象就可以。

首先在data中定義一個(gè)對(duì)象,即初始化的表格對(duì)象。

前兩列的表格我們可以直接寫(xiě)死,從合計(jì)開(kāi)始需要進(jìn)行循環(huán),所以我們直接從合計(jì)開(kāi)始,合計(jì)下再分收入和支出,收入和支出的元素直接根據(jù)公式來(lái)(改成小寫(xiě)是因?yàn)楹蠖私邮諗?shù)據(jù)不區(qū)分大小寫(xiě),發(fā)大寫(xiě)沒(méi)用)

還定義了當(dāng)前年份count,屬性名數(shù)組keys,和計(jì)算的幾個(gè)公式。

data () {
  return {
    // 初始化的表格對(duì)象
        tableData: {
          "合計(jì)": {
            'income': {
              'a': 0.00,
              'h': 0.00,
              'i': 0.00,
              'j': 0.00,
              'k': 0.00,
              'l': 0.00,
              'm': 0.00,
              'b': '--',
              'n': '--',
              'o': '--',
              'p': '--',
              'q': '--',
              'c': 0.00,
              'r': 0.00,
              's': 0.00,
              't': 0.00,
              'd': '--',
              'u': '--',
              'v': '--',
              'w': '--',
              'x': '--',
              'e': '--',
              'f': '--'
            },
            'expend': {
              'a': '--',
              'h': '--',
              'i': '--',
              'j': '--',
              'k': '--',
              'l': '--',
              'm': '--',
              'b': 0.00,
              'n': 0.00,
              'o': 0.00,
              'p': 0.00,
              'q': 0.00,
              'c': '--',
              'r': '--',
              's': '--',
              't': '--',
              'd': 0.00,
              'u': 0.00,
              'v': 0.00,
              'w': 0.00,
              'x': 0.00,
              'e': 0.00,
              'f': 0.00
            }
          },
        },
        // 表格對(duì)象屬性名數(shù)組keys
        keys: [],
        // 填寫(xiě)的年份 默認(rèn)顯示五年
        showYear: 5,
        // 當(dāng)前年度
        count: new Date().getFullYear(),
        // 收入keys a的計(jì)算
        incomeKeys: ['h', 'i', 'k', 'l', 'm'],
        // 支出keys b的計(jì)算
        expendKeys: ['n', 'o', 'p', 'q'],
        // 收入keys c的計(jì)算
        incomeKeys2: ['r', 's', 't'],
        // 支出keys d的計(jì)算
        expendKeys2: ['u', 'v', 'w', 'x']
  }
}

然后在created中把年份加進(jìn)去

created() {
      // 在created元素周期就要生成表格
      let tempAttr = null
      // 往tabledata里循環(huán)添加30年的數(shù)據(jù)
      for (let i = 0; i < 30; i++) {
        tempAttr = this.count + i + ''
        this.tableData[tempAttr] = {
          'income': {
            'a': 0.00,
            'h': 0.00,
            'i': 0.00,
            'j': 0.00,
            'k': 0.00,
            'l': 0.00,
            'm': 0.00,
            'b': '--',
            'n': '--',
            'o': '--',
            'p': '--',
            'q': '--',
            'c': 0.00,
            'r': 0.00,
            's': 0.00,
            't': 0.00,
            'd': '--',
            'u': '--',
            'v': '--',
            'w': '--',
            'x': '--',
            'e': '--',
            'f': '--'
          },
          'expend': {
            'a': '--',
            'h': '--',
            'i': '--',
            'j': '--',
            'k': '--',
            'l': '--',
            'm': '--',
            'b': 0.00,
            'n': 0.00,
            'o': 0.00,
            'p': 0.00,
            'q': 0.00,
            'c': '--',
            'r': '--',
            's': '--',
            't': '--',
            'd': 0.00,
            'u': 0.00,
            'v': 0.00,
            'w': 0.00,
            'x': 0.00,
            'e': 0.00,
            'f': 0.00
          },
            // 把年份傳給后端 object.values只會(huì)獲取屬性值,所以多加一個(gè)year屬性
          'year' : tempAttr
        }
      }
      // Object.keys獲取對(duì)象的屬性名賦值給keys
      this.keys = Object.keys(this.tableData)
    },

到這里我們表格就循環(huán)好了,接下來(lái)畫(huà)表格

<div style="overflowX:scroll; overflowY: scroll;height:350px;">
          <!-- 自定義一個(gè)table 實(shí)現(xiàn)表格可編輯、表頭可根據(jù)選擇的年份變化-->
          <table ref="table">
            <!-- 表頭 -->
            <tr class="table-th">
              <td  colspan="4" style="width:420px;" rowspan="2">收支類(lèi)別</td>
              <td  colspan="2" style="width:200px;"  rowspan="2">公式</td>
              <td  colspan="2">合計(jì)</td>
              <!-- 循環(huán)表頭年份 index從1開(kāi)始 showYear:選擇的年份 keys:所有年份 -->
              <td  v-for="index of showYear" :key="index" colspan="2">{{ keys[index - 1] + '年' }}</td>
            </tr>
            <tr class="table-th">
              <!-- 循環(huán)收入和支出 從合計(jì)開(kāi)始所以要showYear+1 收入在前支出在后 -->
              <td v-for="index in (showYear+1)*2" :key="index">{{ index % 2 == 0 ? '支出' : '收入' }}</td>
            </tr>
            <!-- 一、建設(shè)資金來(lái)源 -->
            <tr>
              <td class="table-th" colspan="4">一、建設(shè)資金來(lái)源</td>
              <td class="table-th" colspan="2">A=H+I+K+L+M</td>
              <td>
                <!-- 合計(jì)的收入計(jì)算自動(dòng)生成 根據(jù)class進(jìn)行dom節(jié)點(diǎn)計(jì)算-->
                <input class="compute"  disabled  style="width: 100%; outline: none; border: none;" type="text"
                  v-model="tableData['合計(jì)'].income.a">
              </td>
              <td>
                <input class="compute" disabled  style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData['合計(jì)'].expend.a">
              </td>
              <!-- 循環(huán)年份 收入支出所以showYear*2 收入和支出的合計(jì)也計(jì)算自動(dòng)生成 count:當(dāng)前年度 math.floor:向下取整-->
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%; outline: none; border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.a">
                <input class="compute" disabled v-else style="width: 100%; outline: none; border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.a">
              </td>
            </tr>
            <!-- (一)財(cái)政安排資金 -->
            <tr>
              <td class="table-th" colspan="4">(一)財(cái)政安排資金</td>
              <td class="table-th" colspan="2">H</td>
              <td>
                <input class="compute" disabled style="width: 100%; outline: none; border: none;" type="text" v-model="tableData['合計(jì)'].income.h">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%; outline: none; border: none;" type="text" v-model="tableData['合計(jì)'].expend.h">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%; outline: none; border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.h">
                <input class="compute" v-else style="width: 100%; outline: none; border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.h">
              </td>
            </tr>
            <!-- (二)地方政府專(zhuān)項(xiàng)債券 -->
            <tr>
              <td class="table-th" colspan="4">(二)地方政府專(zhuān)項(xiàng)債券</td>
              <td class="table-th" colspan="2">I</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.i">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.i">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.i">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.i">
              </td>
            </tr>
            <!-- 其中:用于資本金 -->
            <tr>
              <td class="table-th" colspan="4">其中:用于資本金</td>
              <td class="table-th" colspan="2">J</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.j">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.j">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.j">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.j">
              </td>
            </tr>
            <!-- (三)項(xiàng)目單位市場(chǎng)化融資 -->
            <tr>
              <td class="table-th" colspan="4">(三)項(xiàng)目單位市場(chǎng)化融資</td>
              <td class="table-th" colspan="2">K</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.k">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.k">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.k">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.k">
              </td>
            </tr>
            <!-- (四)單位自籌資金 -->
            <tr>
              <td class="table-th" colspan="4">(四)單位自籌資金</td>
              <td class="table-th" colspan="2">L</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.l">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.l">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.l">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.l">
              </td>
            </tr>
            <!--(五)其他資金  -->
            <tr>
              <td class="table-th" colspan="4">(五)其他資金</td>
              <td class="table-th" colspan="2">M</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.m">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.m">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.m">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.m">
              </td>
            </tr>
            <!-- 二、項(xiàng)目建設(shè)支出 -->
            <tr>
              <td class="table-th"  colspan="4">二、項(xiàng)目建設(shè)支出</td>
              <td class="table-th"  colspan="2">B=N+O+P+Q</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.b">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.b">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.b">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].income.b" >
              </td>
            </tr>
            <!-- (一)項(xiàng)目建設(shè)成本(不含財(cái)務(wù)費(fèi)用) -->
            <tr>
              <td class="table-th"  colspan="4">(一)項(xiàng)目建設(shè)成本(不含財(cái)務(wù)費(fèi)用)</td>
              <td class="table-th"  colspan="2">N</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.n">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.n">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.n">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].income.n">
              </td>
            </tr>
            <!-- (二)財(cái)務(wù)費(fèi)用-專(zhuān)項(xiàng)債券付息 -->
            <tr>
              <td class="table-th"  colspan="4">(二)財(cái)務(wù)費(fèi)用-專(zhuān)項(xiàng)債券付息</td>
              <td class="table-th"  colspan="2">O</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.o">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.o">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.o">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].income.o">
              </td>
            </tr>
            <!--  (三)財(cái)務(wù)費(fèi)用-市場(chǎng)化融資付息 -->
            <tr>
              <td class="table-th"  colspan="4"> (三)財(cái)務(wù)費(fèi)用-市場(chǎng)化融資付息</td>
              <td class="table-th"  colspan="2">P</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.p">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.p">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.p">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].income.p">
              </td>
            </tr>
            <!-- (四)其他建設(shè)支出 -->
            <tr>
              <td class="table-th"  colspan="4">(四)其他建設(shè)支出</td>
              <td class="table-th"  colspan="2">Q</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.q">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.q">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute"  v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.q">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData[count+ Math.floor((index-1)/2) +''].income.q">
              </td>
            </tr>
            <!-- 三、項(xiàng)目運(yùn)營(yíng)預(yù)期收入 -->
            <tr>
              <td class="table-th" colspan="4">三、項(xiàng)目運(yùn)營(yíng)預(yù)期收入</td>
              <td class="table-th" colspan="2">C=R+S+T</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData['合計(jì)'].income.c">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text"
                      v-model="tableData['合計(jì)'].expend.c">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.c">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.c">
              </td>
            </tr>
            <!--  (一)財(cái)政補(bǔ)貼收入 -->
            <tr>
              <td class="table-th" colspan="4">(一)財(cái)政補(bǔ)貼收入</td>
              <td class="table-th" colspan="2">R</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.r">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.r">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.r">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.r">
              </td>
            </tr>
            <!-- (二)項(xiàng)目自身經(jīng)營(yíng)收入 -->
            <tr>
              <td class="table-th" colspan="4">(二)項(xiàng)目自身經(jīng)營(yíng)收入</td>
              <td class="table-th" colspan="2">S</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.s">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.s">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.s">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.s">
              </td>
            </tr>
            <!-- (三)其他收入 -->
            <tr>
              <td class="table-th" colspan="4">(三)其他收入</td>
              <td class="table-th" colspan="2">T</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.t">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.t">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.t">
                <input class="compute" v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.t">
              </td>
            </tr>
            <!-- 四、項(xiàng)目運(yùn)營(yíng)支出 -->
            <tr>
              <td class="table-th"  colspan="4">四、項(xiàng)目運(yùn)營(yíng)支出</td>
              <td class="table-th"  colspan="2">D=U+V+W+X</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.d">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.d">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" disabled v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.d">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.d">
              </td>
            </tr>
            <!-- (一)項(xiàng)目運(yùn)營(yíng)成本(不含財(cái)務(wù)費(fèi)用) -->
            <tr>
              <td class="table-th"  colspan="4">(一)項(xiàng)目運(yùn)營(yíng)成本(不含財(cái)務(wù)費(fèi)用)</td>
              <td class="table-th"  colspan="2">U</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.u">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.u">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.u">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.u">
              </td>
            </tr>
            <!-- (二)財(cái)務(wù)費(fèi)用-專(zhuān)項(xiàng)債券付息 -->
            <tr>
              <td class="table-th"  colspan="4">(二)財(cái)務(wù)費(fèi)用-專(zhuān)項(xiàng)債券付息</td>
              <td class="table-th"  colspan="2">V</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.v">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.v">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.v">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.v">
              </td>
            </tr>
            <!--  (三)財(cái)務(wù)費(fèi)用-市場(chǎng)化融資付息 -->
            <tr>
              <td class="table-th"  colspan="4"> (三)財(cái)務(wù)費(fèi)用-市場(chǎng)化融資付息</td>
              <td class="table-th"  colspan="2">W</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.w">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.w">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.w">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.w">
              </td>
            </tr>
            <!--  (四)其他運(yùn)營(yíng)支出-->
            <tr>
              <td class="table-th"  colspan="4">(四)其他運(yùn)營(yíng)支出</td>
              <td class="table-th"  colspan="2">X</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.x">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.x">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute" v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.x">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.x">
              </td>
            </tr>
            <!--  五、專(zhuān)項(xiàng)債券還本-->
            <tr>
              <td class="table-th"  colspan="4">五、專(zhuān)項(xiàng)債券還本</td>
              <td class="table-th"  colspan="2">E</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.e">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.e">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute"  v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.e">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.e">
              </td>
            </tr>
            <!--  六、市場(chǎng)化融資還本-->
            <tr>
              <td class="table-th"  colspan="4">六、市場(chǎng)化融資還本</td>
              <td class="table-th"  colspan="2">F</td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].income.f">
              </td>
              <td>
                <input class="compute" disabled style="width: 100%;outline: none;border: none;" type="text" v-model="tableData['合計(jì)'].expend.f">
              </td>
              <td v-for="index in showYear*2" :key="index">
                <input class="compute"  v-if="(index-1)%2" style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].expend.f">
                <input class="compute" disabled v-else style="width: 100%;outline: none;border: none;" type="text"
                  v-model="tableData[count+ Math.floor((index-1)/2) +''].income.f">
              </td>
            </tr>
          </table>
        </div>

計(jì)算方法寫(xiě)在mounted中,這里本來(lái)是打算使用watch進(jìn)行監(jiān)聽(tīng)的,結(jié)果計(jì)算出來(lái)太慢了,所以就只能直接修改dom節(jié)點(diǎn)了。獲取所有的compute類(lèi)進(jìn)行操作。(本來(lái)是直接獲取inout框,后來(lái)發(fā)現(xiàn)這樣的話上面的input框也會(huì)變化,就加了類(lèi))

mounted() {
      this.getMajorProject()
      // 獲取所有class為compute的dom元素節(jié)點(diǎn) 遍歷監(jiān)聽(tīng)change事件 當(dāng)焦點(diǎn)消失的時(shí)候數(shù)據(jù)變化
      document.querySelectorAll('.compute').forEach(target => {
        target.addEventListener('change', () => {
          //年份計(jì)算
          // A=H+I+K+L+M
          for (let i = 0; i < this.showYear; i++) {
            this.tableData[this.count + i + ''].income.a=0;
            for (let j = 0; j < this.incomeKeys.length; j++) {
              console.log(this.incomeKeys[j]+this.tableData[this.count + i + ''].income[this.incomeKeys[j]])
              // parseFloat解析字符串返回浮點(diǎn)值
              this.tableData[this.count + i + ''].income.a += parseFloat(this.tableData[this.count + i + ''].income[this.incomeKeys[j]])
            }
          }
          // B=N+O+P+Q
          for (let i = 0; i < this.showYear; i++) {
            this.tableData[this.count + i + ''].expend.b=0;
            for (let j = 0; j < this.expendKeys.length; j++) {
              console.log(this.expendKeys[j]+this.tableData[this.count + i + ''].expend[this.expendKeys[j]])
              this.tableData[this.count + i + ''].expend.b += parseFloat(this.tableData[this.count + i + ''].expend[this.expendKeys[j]])
            }
          }
          // C=R+S+T
          for (let i = 0; i < this.showYear; i++) {
            this.tableData[this.count + i + ''].income.c=0;
            for (let j = 0; j < this.incomeKeys2.length; j++) {
              console.log(this.incomeKeys2[j]+this.tableData[this.count + i + ''].income[this.incomeKeys2[j]])
              this.tableData[this.count + i + ''].income.c += parseFloat(this.tableData[this.count + i + ''].income[this.incomeKeys2[j]])
            }
          }
          // D=U+V+W+X
          for (let i = 0; i < this.showYear; i++) {
            this.tableData[this.count + i + ''].expend.d=0;
            for (let j = 0; j < this.expendKeys2.length; j++) {
              console.log(this.expendKeys2[j]+this.tableData[this.count + i + ''].expend[this.expendKeys2[j]])
              this.tableData[this.count + i + ''].expend.d += parseFloat(this.tableData[this.count + i + ''].expend[this.expendKeys2[j]])
            }
          }
          //合計(jì)計(jì)算
          // 先置空
          this.tableData['合計(jì)'].income.a = 0;
          this.tableData['合計(jì)'].income.h = 0;
          this.tableData['合計(jì)'].income.i = 0;
          this.tableData['合計(jì)'].income.j = 0;
          this.tableData['合計(jì)'].income.k = 0;
          this.tableData['合計(jì)'].income.l = 0;
          this.tableData['合計(jì)'].income.m = 0;
          this.tableData['合計(jì)'].expend.b = 0;
          this.tableData['合計(jì)'].expend.n = 0;
          this.tableData['合計(jì)'].expend.o = 0;
          this.tableData['合計(jì)'].expend.p = 0;
          this.tableData['合計(jì)'].expend.q = 0;
          this.tableData['合計(jì)'].income.c = 0;
          this.tableData['合計(jì)'].income.r = 0;
          this.tableData['合計(jì)'].income.s = 0;
          this.tableData['合計(jì)'].income.t = 0;
          this.tableData['合計(jì)'].expend.d = 0;
          this.tableData['合計(jì)'].expend.u = 0;
          this.tableData['合計(jì)'].expend.v = 0;
          this.tableData['合計(jì)'].expend.w = 0;
          this.tableData['合計(jì)'].expend.x = 0;
          this.tableData['合計(jì)'].expend.e = 0;
          this.tableData['合計(jì)'].expend.f = 0;
          for (let i = 0; i < this.showYear; i++) {
            this.tableData['合計(jì)'].income.a += parseFloat(this.tableData[this.count + i + ''].income.a);
            this.tableData['合計(jì)'].income.h += parseFloat(this.tableData[this.count + i + ''].income.h);
            this.tableData['合計(jì)'].income.i += parseFloat(this.tableData[this.count + i + ''].income.i);
            this.tableData['合計(jì)'].income.j += parseFloat(this.tableData[this.count + i + ''].income.j);
            this.tableData['合計(jì)'].income.k += parseFloat(this.tableData[this.count + i + ''].income.k);
            this.tableData['合計(jì)'].income.l += parseFloat(this.tableData[this.count + i + ''].income.l);
            this.tableData['合計(jì)'].income.m += parseFloat(this.tableData[this.count + i + ''].income.m);
            this.tableData['合計(jì)'].expend.b += parseFloat(this.tableData[this.count + i + ''].expend.b);
            this.tableData['合計(jì)'].expend.n += parseFloat(this.tableData[this.count + i + ''].expend.n);
            this.tableData['合計(jì)'].expend.o += parseFloat(this.tableData[this.count + i + ''].expend.o);
            this.tableData['合計(jì)'].expend.p += parseFloat(this.tableData[this.count + i + ''].expend.p);
            this.tableData['合計(jì)'].expend.q += parseFloat(this.tableData[this.count + i + ''].expend.q);
            this.tableData['合計(jì)'].income.c += parseFloat(this.tableData[this.count + i + ''].income.c);
            this.tableData['合計(jì)'].income.r += parseFloat(this.tableData[this.count + i + ''].income.r);
            this.tableData['合計(jì)'].income.s += parseFloat(this.tableData[this.count + i + ''].income.s);
            this.tableData['合計(jì)'].income.t += parseFloat(this.tableData[this.count + i + ''].income.t);
            this.tableData['合計(jì)'].expend.d += parseFloat(this.tableData[this.count + i + ''].expend.d);
            this.tableData['合計(jì)'].expend.u += parseFloat(this.tableData[this.count + i + ''].expend.u);
            this.tableData['合計(jì)'].expend.v += parseFloat(this.tableData[this.count + i + ''].expend.v);
            this.tableData['合計(jì)'].expend.w += parseFloat(this.tableData[this.count + i + ''].expend.w);
            this.tableData['合計(jì)'].expend.x += parseFloat(this.tableData[this.count + i + ''].expend.x);
            this.tableData['合計(jì)'].expend.e += parseFloat(this.tableData[this.count + i + ''].expend.e);
            this.tableData['合計(jì)'].expend.f += parseFloat(this.tableData[this.count + i + ''].expend.f);
          }
          // 強(qiáng)刷
          this.$forceUpdate()
        })
      })
    },

可編輯的表格就實(shí)現(xiàn)了,我們還需要控制表格只能輸入數(shù)字,這個(gè)功能大哥當(dāng)然是讓我自己做,但我項(xiàng)目要的太急還沒(méi)來(lái)得及做,之后有時(shí)間實(shí)現(xiàn)一下校驗(yàn)的功能。

接下來(lái)是要根據(jù)輸入的項(xiàng)目年限(圖片上寫(xiě)錯(cuò)了)顯示對(duì)應(yīng)的列數(shù)。其實(shí)說(shuō)是項(xiàng)目年限,其實(shí)項(xiàng)目年限是不能填的,項(xiàng)目年限是建設(shè)年限和預(yù)算年限的合計(jì)。

所以很簡(jiǎn)單,我們監(jiān)聽(tīng)一下建設(shè)年限和預(yù)算年限,做個(gè)加法就行。但是問(wèn)題又來(lái)了,項(xiàng)目是用jeecg寫(xiě)的,v-decorator好像不支持監(jiān)聽(tīng),我寫(xiě)了沒(méi)反應(yīng),也可能是我不會(huì)。那就直接寫(xiě)change事件。

得到項(xiàng)目期限之后,需要表格跟著變化,其實(shí)就把項(xiàng)目期限的值賦給showYear就行。但是可能是因?yàn)橛辛薱hange事件,項(xiàng)目期限不能再寫(xiě)了,所以最后就直接寫(xiě)在建設(shè)和預(yù)算的change事件里了。

還有一個(gè)注意點(diǎn)是需要使用數(shù)字輸入框,這樣value才是一個(gè)值,直接input,每變化一次,內(nèi)容都會(huì)變化。輸入10會(huì)被當(dāng)成1和0。

<a-col :xs="24" :sm="12">
          <a-form-item label="建設(shè)期限(年)" :labelCol="labelCol" :wrapperCol="wrapperCol">
            <!-- <a-input v-decorator="['constructionPeriod']" placeholder="請(qǐng)輸入建設(shè)期限(年)"></a-input> -->
            <a-input-number style="width:100%;"  v-decorator="['constructionPeriod',{initialValue:this.constructionPeriod}]" placeholder="請(qǐng)輸入建設(shè)期限(年)" @change="changeJsNum" />
          </a-form-item>
        </a-col>
        <a-col :xs="24" :sm="12">
          <a-form-item label="運(yùn)營(yíng)期限(年)" :labelCol="labelCol" :wrapperCol="wrapperCol">
            <!-- <a-input v-decorator="['operatingPeriod']" placeholder="請(qǐng)輸入運(yùn)營(yíng)期限(年)"></a-input> -->
            <a-input-number style="width:100%;"  v-decorator="['operatingPeriod',{initialValue:this.operatingPeriod}]" placeholder="請(qǐng)輸入運(yùn)營(yíng)期限(年)" @change="changeYyNum" />
          </a-form-item>
        </a-col>
        <a-col :xs="24" :sm="12">
          <a-form-item label="項(xiàng)目期限(年)" :labelCol="labelCol" :wrapperCol="wrapperCol">
            <!-- <a-input v-decorator="['projectPeriod']" placeholder="請(qǐng)輸入項(xiàng)目期限(年)"></a-input> -->
            <a-input-number style="width:100%;" v-decorator="['projectPeriod',{initialValue:this.projectPeriod}]" placeholder="請(qǐng)輸入項(xiàng)目期限(年)" disabled  />
          </a-form-item>
        </a-col>
// 建設(shè)年限變化
      changeJsNum (value) {
        // 將值賦給建設(shè)年限
        if(value === '' || value === null) {
          this.constructionPeriod = 0
        } else{
          this.constructionPeriod = value
        }
        // 根據(jù)預(yù)算年限進(jìn)行項(xiàng)目年限的計(jì)算 parseInt:字符串轉(zhuǎn)數(shù)字
        if(this.operatingPeriod === ''){
          this.projectPeriod = parseInt(this.constructionPeriod)
        } else {
          this.projectPeriod = parseInt(this.constructionPeriod) + parseInt(this.operatingPeriod)
        }
        // 計(jì)算之后 建設(shè)或預(yù)算年限的value置空(導(dǎo)致項(xiàng)目年限為空)時(shí),項(xiàng)目年限會(huì)為字符串0,所以if判斷要加上這個(gè)
        if(this.projectPeriod && this.projectPeriod!='0'){
          this.showYear = this.projectPeriod
        } else {
          this.showYear = 5
        }
      },
      changeYyNum (value) {
        if(value === ''|| value === null) {
          this.operatingPeriod = 0
        } else{
          this.operatingPeriod = value
        }
        if(this.constructionPeriod === ''){
          this.projectPeriod = parseInt(this.operatingPeriod)
        } else {
          this.projectPeriod = parseInt(this.operatingPeriod) + parseInt(this.constructionPeriod)
        }
        if(this.projectPeriod && this.projectPeriod!='0'){
          this.showYear = this.projectPeriod
        } else {
          this.showYear = 5
        }
      },

最后給大家看看我的表格!

項(xiàng)目

年限變化,列數(shù)變化。

以上為個(gè)人經(jīng)驗(yàn),希望能給大家一個(gè)參考,也希望大家多多支持腳本之家。

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