ajax
ajax后台的集中处理方法:
jquery方法:
function doDel(){ $.ajax({ type: "POST", url: "<%=root%>/transfer_doDeleBankInfo, success : function(data) {//将数据写入页面 alert(data); } }); }
方法一:
public String doDeleBankInfo(){//ajax HttpServletResponse res = ServletActionContext.getResponse(); res.reset(); res.setContentType("text/html;charset=utf-8"); PrintWriter pw; try { pw = res.getWriter(); int num=;//处理逻辑 String json = JSONArray.fromObject(num).toString();//返回值 pw.print(json); pw.flush(); pw.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; }
方法二:
public String doJudge(){ JSONObject json = new JSONObject(); String card=tWealTransferService.doJudge(cardNo); if(null==card||"".equals(card)){ json.put("flag",1); }else{ json.put("flag",2); } ResponseHandler.resWithJson(ServletActionContext.getResponse(), json.toString()); return null; }
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