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jQuery插件簡(jiǎn)單學(xué)習(xí)實(shí)例教程

 更新時(shí)間:2016年07月01日 17:00:07   作者:sust2012  
這篇文章主要介紹了jQuery插件的簡(jiǎn)單用法,列舉了分頁(yè)插件、放大鏡插件、自動(dòng)完成插件、上傳插件、日歷插件等的簡(jiǎn)單使用方法,需要的朋友可以參考下

本文實(shí)例講述了jQuery插件及其用法。分享給大家供大家參考,具體如下:

(1)異步分頁(yè)插件flexgrid

1)前臺(tái)js

<%@ page language="Java" contentType="text/html; charset=utf-8"
  pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Insert title here</title>
<script type="text/JavaScript" src="js/jQuery-1.8.0.js" charset="utf-8"></script>
<script type="text/javascript" src="js/flexigrid.js" charset="utf-8"></script>
 <script type="text/javascript" src="js/flexigrid.pack.js" charset="utf-8"></script>
<link href="css/flexigrid.css" rel="Stylesheet">
<link href="css/flexigrid.pack.css" rel="Stylesheet">
<script type="text/javascript" charset="utf-8">
  $(document).ready(function() {
    $("#flexigridTable").flexigrid({
      url : 'flexigridAction.html',  //請(qǐng)求數(shù)據(jù)的路徑
      method : 'POST',         //請(qǐng)求方式
      dataType : 'json',        //返回的數(shù)據(jù)類(lèi)型
      colModel : [ {            //對(duì)table的組織
        display : '編&nbsp;&nbsp;號(hào)',    //表頭信息
        name : 'id',            //對(duì)應(yīng)json的字段
        width : 200,
        sortable : true,          //是否可排序
        align : 'center',
          hide :false           //是否可見(jiàn)
      }, {
        display : '分類(lèi)編號(hào)',
        name : 'catalogId',
        width : 200,
        sortable : true,
        align : 'center'
      }, {
        display : '分類(lèi)名稱(chēng)',
        name : 'catalogName',
        width : 200,
        sortable : true,
        align : 'center'
      }, {
        display : '分類(lèi)總數(shù)',
        name : 'count',
        width : 200,
        sortable : false,
        align : 'center'
      } ],
      buttons : [ {               //增加button
        name : '增加',             //button的value
        bClass : 'add',            //樣式
        onpress : test             //事件
      }, {
        name : '刪除',
        bClass : 'delete',
        onpress : test
      },{
        name : '修改',
        bClass : 'modify',
        onpress : test
      }, {
        separator : true           //是否有分隔
      } ],
      sortname : 'id',             //按那一列排序
      useRp : true,              //是否可以動(dòng)態(tài)設(shè)置每一頁(yè)的結(jié)果數(shù)
      page : 1,                //默認(rèn)的當(dāng)前頁(yè)
/*       total : 4,                //總的條數(shù),在后臺(tái)進(jìn)行設(shè)置即可
 */
      showTableToggleBtn : false,        //是否顯示【顯示隱藏Grid】的按鈕
      width : 850,
      height : 300,
      rp : 3,                  //每一頁(yè)的默認(rèn)數(shù)
      usepager : true,             //是否分頁(yè)
      rpOptions : [ 3, 6, 9, 15 ],       //可選擇設(shè)定的每頁(yè)結(jié)果數(shù)
      resizable:true  ,           //table是否可以伸縮
      title:'商品信息',
      errormsg:'加載數(shù)據(jù)出錯(cuò)',
      procmsg:'正在處理,請(qǐng)稍候'
    });
  });
  function test(com, grid) {
    if (com == '刪除') {
      //alert($(".trSelected td:first",grid).text());
      var a = confirm('是否刪除這 ' + $('.trSelected', grid).length + ' 條記錄嗎?');
      if (a) {
        $(".trSelected", grid).remove();
        //刪除數(shù)據(jù)的ajax請(qǐng)求
      }
    } else if (com == '增加') {
      alert('增加一條!');
      //打開(kāi)一個(gè)頁(yè)面,新增數(shù)據(jù)
    }else{
      var tr = $(".trSelected:first",grid);
/*       alert(grid.html());
 */      var data = [];
      var tds = tr.children();
      for(var i = 0 ; i < tds.length ; i++){
        data[data.length] = $(tds[i]).text();
        //alert($(tds[i]).text());
      }
      //打開(kāi)一個(gè)頁(yè)面進(jìn)行數(shù)據(jù)修改
    }
    //$("#flexigridTable").flexReload();
  }
</script>
</head>
<body>
  <table id="flexigridTable" align="center"></table>
</body>
</html>

2)后臺(tái)action

最后只需返回一個(gè) 名字為  rows的json即可

(2)放大鏡,magnify

<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="js/jquery-1.8.0.js" charset="utf-8"></script>
<script type="text/javascript" src="js/jquery.magnify-1.0.2.js" charset="utf-8"></script>
<script type="text/javascript">
$(document).ready(function(){
  $("#bigImage").magnify();  //直接使用默認(rèn)的magnify
    $("#computerId").magnify({
      showEvent: 'mouseover', //顯示放大鏡效果時(shí)需要觸發(fā)事件
      hideEvent: 'mouseout',  //隱藏放大鏡效果時(shí)需要觸發(fā)事件
      lensWidth: 60,     //鼠標(biāo)在小圖片中移動(dòng)的提示鏡頭寬度
      lensHeight: 60,     //鼠標(biāo)在小圖片中移動(dòng)的提示鏡頭高度
      preload: false,     //是否預(yù)先加載
      stagePlacement: 'right', //放大圖片后顯示在小圖片的方向
      loadingImage: 'image/ipad.jpg', //加載圖片時(shí)的提示動(dòng)態(tài)小圖片
      lensCss: { backgroundColor: '#cc0000', //鼠標(biāo)在小圖片中移動(dòng)的提示鏡頭CSS樣式
      border: '0px',     //放大圖片的邊框效果
      opacity: 0 },     //不透明度
      stageCss: { border: '1px solid #33cc33',width:400,height:400} //鏡臺(tái)CSS樣式
    });
});
</script>
</head>
<body>
<a href="image/ipad.jpg" id="bigImage">
<img alt="" src="image/ipad.jpg" width="350" height="150">
</a>
<br>
<a href="image/computer.jpg" id="computerId">
<img alt="" src="image/computer.jpg" width="200" height="150">
</a>
</body>
</html>

(3)autoComplete

<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>autoComplete jquery</title>
<script type="text/javascript" src="js/jquery-1.8.0.js" charset="utf-8"></script>
<script type="text/javascript" src="js/jquery.autocomplete.js" charset="utf-8"></script>
<link href="css/jquery.autocomplete.css" rel="Stylesheet">
<script type="text/javascript">
  $(document).ready(
      function() {
        $("#kw").autocomplete(
            "autoCompleteJQueryAction.html",
            {
              minChars : 1, //在觸發(fā)autoComplete前用戶(hù)至少需要輸入的字符數(shù).Default: 1
              //matchContains : true,
              mustMatch : false, //如果設(shè)置為true,autoComplete只會(huì)允許匹配的結(jié)果出現(xiàn)在輸入框
              dataType : 'json',
              selectFirst:false,
              autoFill:false,//自動(dòng)填充值
              matchCase:false, //比較是否開(kāi)啟大小寫(xiě)敏感開(kāi)關(guān),默認(rèn)false(指向后臺(tái)傳遞的數(shù)據(jù)大小寫(xiě))
               scroll:true,   //當(dāng)結(jié)果集大于默認(rèn)高度時(shí)是否使用卷軸顯示Default: true
              parse : function(resultData) {
                var rows = [];
                var d = resultData.serarchResult;
                for ( var i = 0; i < d.length; i++) {
                  rows[i] = {
                    data : d[i],
                    value : d[i].catalogId,
                    result : d[i].catalogName
                  };
                }
                return rows;
              },
               formatItem : function(row,i,max) {
              return row.catalogName + "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[" + row.count + "]";
                //return row.id+"";
                //結(jié)果中的每一行都會(huì)調(diào)用這個(gè)函數(shù),顯示的格式,row為每一個(gè)對(duì)象,i為下表從一開(kāi)始,max為最大下標(biāo)
              }
            }).result(function(event,item){
              alert(item.catalogName);
            });
      });
</script>
</head>
<body>
<input type="text" style="width:474px;" maxlength="100" id="kw" name="wd">
  <input type="submit" value="submit" name="search">
</body>
</html>

(4)異步上傳

<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="js/jquery-1.8.0.js" charset="utf-8"></script>
<script type="text/javascript" src="js/ajaxupload.3.6.js"
  charset="utf-8"></script>
<script type="text/javascript">
  $(document).ready(function() {
    var uploadObj = {
      action : 'ajaxFileUploadAction.html',
      name : 'upload',
      onSubmit : function(file, type) {
        //alert("gag");
      },
      onComplate : function(file, data) {
        alert("true");
      }
    };
    new AjaxUpload($("[type='submit']"), uploadObj);
  });
</script>
</head>
<body>
  <form action="" enctype="multipart/form-data" method="post">
    <input type="file" name="upload"><input type='submit'
      value="上傳">
  </form>
</body>
</html>

(5)日歷

<%@ page language="java" contentType="text/html; charset=UTF-8"
  pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<script type="text/javascript" src="js/jquery-1.8.0.js" charset="utf-8"></script>
<script type="text/javascript" src="js/jquery-ui.js" charset="utf-8"></script>
<script type="text/javascript" src="js/ui.datepicker-zh-CN.js" charset="utf-8"></script>
<link href="css/jquery-ui.css" rel="Stylesheet">
<script type="text/javascript">
$(document).ready(function(){
  $("[name='data']").datepicker({
    //dateFormat:'yy-mm-dd'
  });
});
</script>
</head>
<body>
<input type="text" name="data">
</body>
</html>

后臺(tái)的action如下:

package com.jquery.plugin.action;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.json.annotations.JSON;
import com.jquery.plugin.dao.DataDao;
import com.jquery.plugin.pojo.Catalog;
import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;
public class JQueryAction extends ActionSupport{
  /**
   *
   */
  private static final long serialVersionUID = 1L;
  private String q ;
  private Integer rp;
  private Integer page;
  private Integer total;
  private List<Catalog> serarchResult = new ArrayList<Catalog>();
  private List<Catalog> rows = new ArrayList<Catalog>();
  private String sortname;
  private File upload;
  private String uploadFileName;
  public String getQ() {
    return q;
  }
  public void setQ(String q) {
    this.q = q;
  }
  public Integer getRp() {
    return rp;
  }
  public void setRp(Integer rp) {
    this.rp = rp;
  }
  public Integer getPage() {
    return page;
  }
  public void setPage(Integer page) {
    this.page = page;
  }
   @JSON(name="total")
  public Integer getTotal() {
    return total;
  }
  public String redirect(){
    System.out.println("go..");
    return Action.SUCCESS;
  }
  //{age:1}[search:{age:1}]
  @JSON(name="serarchResult")
  public List<Catalog> getSerarchResult() {
    return serarchResult;
  }
  public List<Catalog> getRows() {
    return rows;
  }
  public void setRows(List<Catalog> rows) {
    this.rows = rows;
  }
  public String getSortname() {
    return sortname;
  }
  public void setSortname(String sortname) {
    this.sortname = sortname;
  }
  public File getUpload() {
    return upload;
  }
  public void setUpload(File upload) {
    this.upload = upload;
  }
  public String getUploadFileName() {
    return uploadFileName;
  }
  public void setUploadFileName(String uploadFileName) {
    this.uploadFileName = uploadFileName;
  }
  public String autoCompleteJQuery(){
    System.out.println("q:"+q);
    List<Catalog> result = DataDao.getList();
    if(!"".equals(q)){
    for (Catalog catalog : result) {
      if(catalog.getCatalogName().toLowerCase().contains(q.toLowerCase())){
        serarchResult.add(catalog);
      }
    }
    }
    System.out.println(serarchResult.size());
    return Action.SUCCESS;
  }
  public String flexigrid(){
    try {
      List<Catalog> result = DataDao.getList();
      Integer startIndex = (page-1)*rp;
      Integer endIndex = startIndex+rp;
      total = result.size();
      while(endIndex>result.size()){
        endIndex--;
      }
      System.out.println("page:"+page+":total:"+total);
      System.out.println("sortname:"+sortname);
      for(int i = startIndex ;i < (endIndex);i++){
        rows.add(result.get(i));
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return Action.SUCCESS;
  }
  public String ajaxFileUpload(){
    System.out.println("begin...");
    BufferedOutputStream out = null ;
    BufferedInputStream in = null ;
    String uploadPath = null ;
    String contextPath = null;
    try {
      //fileName = URLEncoder.encode(fileName, "GB2312");
      System.out.println("fileName:"+uploadFileName);
      byte [] buffer = new byte[1024];
      HttpServletRequest request = ServletActionContext.getRequest();
      contextPath = request.getSession().getServletContext().getRealPath("/");
       uploadPath = contextPath+"/upload/"+uploadFileName;
       System.out.println(uploadPath);
      out = new BufferedOutputStream(new FileOutputStream(uploadPath));
      int len = 0 ;
      in = new BufferedInputStream(new FileInputStream(upload));
      while((len = in.read(buffer, 0, buffer.length))!=-1){
        out.write(buffer, 0, len);
        out.flush();
      }
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    }finally{
      try {
        if(out != null){
          out.close();
        }
        if(in != null){
          in.close();
        }
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
    System.out.println("上傳成功");
    return null;
  }
}

更多關(guān)于jQuery相關(guān)內(nèi)容感興趣的讀者可查看本站專(zhuān)題:《jQuery擴(kuò)展技巧總結(jié)》、《jQuery常用插件及用法總結(jié)》、《jQuery拖拽特效與技巧總結(jié)》、《jQuery表格(table)操作技巧匯總》、《jquery中Ajax用法總結(jié)》、《jQuery常見(jiàn)經(jīng)典特效匯總》、《jQuery動(dòng)畫(huà)與特效用法總結(jié)》及《jquery選擇器用法總結(jié)

希望本文所述對(duì)大家jQuery程序設(shè)計(jì)有所幫助。

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