json数据完成二级联动的案例代码

\s+$/g, "" ); if(dataSourceVal==j){ var infoSourceSecondArrVal=infoSourceArr[i][j]; } } } document.getElementById("infoSource").options.length = 1; //清空select标签中option选项=0,只留一项=1 //根据一级下拉框选中值，加载相应的二级下拉框选项 for (var k in infoSourceSecondArrVal){//(var k=0;k<infoSourceSecondArrVal.length;k++)则浏览器调试出错：Uncaught TypeError: Cannot read property 'length' of undefined infoSource.append('<option value="'+infoSourceSecondArrVal[k]+'" >'+infoSourceSecondArrVal[k]+'</option>') } }); }); //查询》列表显示 var TableInit = function () { ... //初始化Table oTableInit.Init = function (pageNumber) { ... //得到查询的参数 oTableInit.queryParams = function (params) { var temp = { //这里的键的名字和控制器Controller里的变量名必须一致 ... dataSource: $("#dataSource").find("option:selected").val(), infoSource: $("#infoSource").find("option:selected").val(), ... }; ... }; $('#Table_queryList').bootstrapTable('destroy').bootstrapTable({ ... }) }; ... };