昨天的成就:
找到了合适log4j的配置文件,并测试了log4j以及Gson的基本功能。保证他们能够正常运行。
遇到的困难:
寻找合适的log4j配置文件。
今天的任务:
测试通过Ajax实现前后端传递信息的操作。
js的代码内容:
var xmlhttlp; if (window.XMLHttpRequest) { xmlhttlp = new XMLHttpRequest(); } else { xmlhttlp = new ActiveXObject('Microsoft.XMLHTTP'); } xmlhttlp.onreadystatechange = function () { if (xmlhttlp.readyState == 4 && xmlhttlp.status == 200) { var responseText = xmlhttlp.responseText; console.log(responseText); } xmlhttlp.open('POST', 'UserServlet',true); xmlhttlp.send();
Java的代码内容:
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setCharacterEncoding("UTF-8"); response.setContentType("application/json;charset=utf-8"); PrintWriter out = response.getWriter(); out.write("hello Ajax"); out.flush(); out.close(); }