json使用

$(function(){$("#istoCancel").click(function(){$.getJSON("${ctx}/learning/webexSystem/webex/remove/${runclassid}", function(json){  if(json.result==false){  alert(json.message);  return ;  }  window.location.reload();});});});@RequestMapping(value = {"webex/remove/cancelPage/{runclassid}"})public String toCancelPopPage(Model model,@PathVariable String runclassid){model.addAttribute("runclassid",runclassid);return "learning/webex/cancelPop";}@RequestMapping(value = {"webex/remove/{runclassid}"})@ResponseBodypublic String removeClassInfo(@PathVariable String runclassid){Map<String,Object> backParam=new HashMap<String,Object>();try{this.teachRuntimeClassroomService.removeRunClass(runclassid);backParam.put(MessageConstents.tip_key_result, true);}catch(Exception ex){backParam.put(MessageConstents.tip_key_result, false);backParam.put(MessageConstents.tip_key_message, MessageConstents.FAIL_OPERATOR_USER);}JSONObject json = JSONObject.fromObject(backParam);return json.toString();}//删除 提示层$('.overlay_delete').live("click",function(e) {e.preventDefault();var runclsid=$(this).attr("clsid");$.fn.nyroModalManual({width:400,title:"取消操作",url: '${ctx }/learning/webexSystem/webex/remove/cancelPage/'+runclsid+".ajax"});return false;});