json原理分析及实例介绍

@RequestMapping("/work/plan/checkSubmitForApproval")
public void checkSubmitForApproval(String planId,HttpServletRequest request,HttpServletResponse response) throws UnsupportedEncodingException{
String result="{\"result\":\"faild\",\"personSituation\":\"null\"}";
HttpSession session = request.getSession();
String industryID = (String) session.getAttribute("industryID");
IIndustry industry = industryService.getById(industryID);
if(industry.getType().equals("XXX")){
try {
boolean flag = false;
IProjectMain yearPlan = projectPlanService.findProjectPlanById(planId);
List<IStaffInfo> listStaffInfo = sysStaffService.getStaffByPlanId(planId, industryID);
for(int i=0;i<listStaffInfo.size();i++){
if(listStaffInfo.get(i).getPractitionersPost().equals(StaffRole.PROGECTMANAGER.toString())){
flag = true;
}
}
if(flag == true){
result="{\"result\":\"success\",\"personSituation\":\""+yearPlan.getPerson_Situation()+"\"}";
}else{
result="{\"result\":\"success\",\"personSituation\":\""+yearPlan.getPerson_Situation()+"\",\"isManager\":\"false\"}";
}
} catch (Exception e) {
result="{\"result\":\"falid\"}";
throw new PlatformException(e);
}finally{
OutputUtils.write(response,result,"text/x-json;charset=UTF-8");
}

public static void write(HttpServletResponse response, String text, String contentType)
{
PrintWriter out=null;
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
response.setContentType(contentType);
try
{
out = response.getWriter();
out.write(text);
}
catch (IOException e)
{
Logger.getLogger(OutputUtils.class).error(e.getMessage(), e);
} finally{
if(out!=null){
out.flush();
out.close();
}
}
}

<span style="white-space:pre"> </span>function distribute(){
var dplanId = $(".currli").attr("id");
if(dplanId != ""){
$.ajax({
type : "POST",
url :做验证的action url,
dataType : "json",
success : function(data) {
//HAVE为已分配状态
if (data.result == "success" && data.personSituation == "UNHAVE") {
with (document.getElementById("planForm")) {
action=验证合法后要提交的url;
method="post";
submit();
}
<span style="white-space:pre"> </span>}