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public String checkKey(){ String str=""; String key=request.getParameter("key"); String id=request.getParameter("id"); str=baseResourceAppManager.getCountByKey(key, id); response.setContentType("text/html;charset=utf-8"); java.io.PrintWriter pw = null; try { pw = response.getWriter(); if (str.equals("1")) { pw.write("1");//數(shù)據(jù)庫中已經(jīng)有了該值 }else { pw.write("0");//數(shù)據(jù)庫中還沒有該值 } } catch (java.io.IOException e) { //異常默認(rèn)已經(jīng)存在 e.printStackTrace(); } return null; }
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