Obtain the JSON data transmitted by extjs. Ajax in JSP.

<% @ Page Language = "Java" contenttype = "text/html; charset = UTF-8" pageencoding = "UTF-8" %> <% @ page import = "Java. io. bufferedreader "%> <% @ page import =" net. SF. JSON. * "%> <% bufferedreader in = request. getreader (); stringbuffer jsonstr = new stringbuffer (); string STR = ""; while (STR = in. readline ())! = NULL) {jsonstr. append (STR);} jsonobject jsonobj = jsonobject. fromobject (jsonstr. tostring (); string name = jsonobj. getstring ("username"); string Pwd = jsonobj. getstring ("password"); string MSG = ""; if (name. equals ("Tom") {MSG = "Logon successful";} else {MSG = "Logon Failed";} response. getwriter (). write (MSG); %>
 

The process of receiving JSON data.

Required data packets:

 

1. commons-lang.jar

2. commons-beanutils.jar

3. commons-collections.jar

4. commons-logging.jar

5. ezmorph. Jar

6. json-lib-2.2.2-jdk15.jar

 

Otherwise, jsonobject reports an error and cannot receive the error.