• struts2 ajax传值


    <table id='data-table' class='data-table table table-bordered table-striped table-hover' style='margin-bottom:0;'>
                            
    </table>
    <script>
        $(document).ready(function(){
        //表格
            var table = setDataTable($(".data-table"));
        });     
        this.setDataTable = function(selector) {
            return selector.DataTable({
                aLengthMenu: [2, 5]
                ,iDisplayLength:2
                ,sDom: "<'row-fluid'<'span6'l><'span6 text-right'f>r>t<'row-fluid'<'span6'i><'span6 text-right'p>>"
                ,sPaginationType: "bootstrap"
                ,oLanguage: {
                    sProcessing:   "处理中...",
                    sLengthMenu:   "显示_MENU_ 项结果",
                    sZeroRecords:  "没有匹配结果",
                    sInfo:         "显示第_START_ 至_END_ 项结果,共_TOTAL_ 项",
                    sInfoEmpty:    "显示第0 至0 项结果,共0 项",
                    sInfoFiltered: "(由_MAX_项结果过滤)",
                    sSearch:       "搜索:",
                    oPaginate: {"sNext": "下一页","sPrevious": "上一页"}
                }
                ,sAjaxSource: "admin_toTable?type=1"//1、action后传参数
                ,bServerSide:true
                ,bFilter: true //过滤功能
                //,searching: false
                ,fnServerData : function(sSource, aoData, fnCallback){
                        
                     $.ajax( {    
                            "type": "get",     
                            "contentType": "application/json",    
                            "url": sSource,     
                            "dataType": "json",    
                            "data": { aoData: JSON.stringify(aoData),type:2 }, // 2、以json格式传递参数  
                            "success": function(resp) {    
                                fnCallback(resp);   
                                //alert(resp.aaData);
                            }    
                        });    
                }
                ,aoColumns: [  
                               { "mData": "id",'title':'ID',"bVisible":false }
                              ,{ "mData": "username",'title':'登录名 '}//登录名 
                              ,{ "mData": "name",'title':'姓名 ' }//姓名  
                              ,{ "mData": "gender",'title':'性别 ',
                                 "mRender":function(data,type,row){
                                     data=data==0?"":"";
                                  return"<label>"+data+"</label>";
                              }}//性别  
                              ,{ "mData": "addresscode",'title':'所在地  '}//所在地  
                              ,{ "mData": "idcard",'title':'身份证  '}//身份证                          
                              ,{ "mData": "tel",'title':'电话'}//电话
                              ,{ "mData": "email",'title':'电子邮箱'}//电子邮箱
                           
                          ] 
            });
        };
    </script>

    同时,在action中定义type,在调用的函数处获取。

     1  private String type;
     2 public String getType() {
     3         return type;
     4     }
     5 
     6     public void setType(String type) {
     7         this.type = type;
     8     }
     9 
    10 /**
    11      * 显示表格信息
    12      * @return
    13      */
    14     public String toTable(){
    15         try {
    16             HttpServletRequest request = ServletActionContext.getRequest();
    17             JSONArray jsonParam = JSONArray.fromObject(request.getParameter("aoData"));
    18             
             //也可以通过request获取参数         
            /**
              String type = request.getParameter("type").toString();
            **/
    19 for(int i=0;i<jsonParam.size();i++) //从传递参数里面选出待用的参数 20 { 21 JSONObject obj=(JSONObject)jsonParam.get(i); 22 23 24 25 26 if(obj.get("name").equals("iDisplayStart")) { 27 iDisplayStart=obj.get("value").toString(); 28 29 } 30 if(obj.get("name").equals("iDisplayLength")) { 31 iDisplayLength=obj.get("value").toString(); 32 33 } 34 if(obj.get("name").toString().contains("sSearch_")) { 35 36 System.out.println("name:"+obj.get("name")+";value:"+obj.get("value")); 37 } 38 39 } 40 41 long count = service.getUserCount("1"); 42 System.out.println(count); 43 List<User> ls = service.searchPageUser(iDisplayStart,iDisplayLength,type); 44 JSONArray arr = JSONArray.fromObject(ls); 45 resultJson.put("aaData", arr); 46 resultJson.put("iTotalRecords", count); 47 resultJson.put("iTotalDisplayRecords", count); 48 } catch (Exception e1) { 49 e1.printStackTrace(); 50 } 51 52 return "toTable"; 53 }
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  • 原文地址:https://www.cnblogs.com/Youngly/p/4556229.html
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