Struts2 Jquery 实现Ajax无刷新验证用户名是否存在

[{"title":"（ 31 个子文件 4.3MB ） Struts2 Jquery 实现Ajax无刷新验证用户名是否存在","children":[{"title":"testAjax","children":[{"title":".project <span style='color:#111;'> 1.20KB </span>","children":null,"spread":false},{"title":"log4j.properties <span style='color:#111;'> 637B </span>","children":null,"spread":false},{"title":".settings","children":[{"title":"org.eclipse.core.resources.prefs <span style='color:#111;'> 97B </span>","children":null,"spread":false}],"spread":true},{"title":".mymetadata <span style='color:#111;'> 297B </span>","children":null,"spread":false},{"title":"WebRoot","children":[{"title":"index.css <span style='color:#111;'> 148B </span>","children":null,"spread":false},{"title":"WEB-INF","children":[{"title":"web.xml <span style='color:#111;'> 1.09KB </span>","children":null,"spread":false},{"title":"lib","children":[{"title":"commons-beanutils.jar <span style='color:#111;'> 184.25KB </span>","children":null,"spread":false},{"title":"commons-lang.jar <span style='color:#111;'> 237.32KB </span>","children":null,"spread":false},{"title":"ognl-2.6.11.jar <span style='color:#111;'> 164.14KB </span>","children":null,"spread":false},{"title":"commons-logging-1.0.4.jar <span style='color:#111;'> 37.12KB </span>","children":null,"spread":false},{"title":"xwork-2.0.5.jar <span style='color:#111;'> 446.85KB </span>","children":null,"spread":false},{"title":"freemarker-2.3.8.jar <span style='color:#111;'> 783.69KB </span>","children":null,"spread":false},{"title":"struts2-core-2.0.11.2.jar <span style='color:#111;'> 2.22MB </span>","children":null,"spread":false},{"title":"json-lib-2.1-jdk15.jar <span style='color:#111;'> 122.00KB </span>","children":null,"spread":false},{"title":"commons-collections.jar <span style='color:#111;'> 557.87KB </span>","children":null,"spread":false},{"title":"jsonplugin-0.30.jar <span style='color:#111;'> 42.66KB </span>","children":null,"spread":false},{"title":"ezmorph-1.0.4.jar <span style='color:#111;'> 84.36KB </span>","children":null,"spread":false}],"spread":false},{"title":"classes","children":[{"title":"log4j.properties <span style='color:#111;'> 637B </span>","children":null,"spread":false},{"title":"struts.properties <span style='color:#111;'> 279B </span>","children":null,"spread":false},{"title":"com","children":[{"title":"hisoft","children":[{"title":"jqt","children":[{"title":"action","children":[{"title":"TestAction.class <span style='color:#111;'> 2.64KB </span>","children":null,"spread":false}],"spread":false}],"spread":false}],"spread":true}],"spread":true},{"title":"struts.xml <span style='color:#111;'> 1.45KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"index.jsp <span style='color:#111;'> 1.67KB </span>","children":null,"spread":false},{"title":"META-INF","children":[{"title":"MANIFEST.MF <span style='color:#111;'> 39B </span>","children":null,"spread":false}],"spread":true},{"title":"home.jsp <span style='color:#111;'> 841B </span>","children":null,"spread":false},{"title":"js","children":[{"title":"index.js <span style='color:#111;'> 1007B </span>","children":null,"spread":false},{"title":"jquery-1.2.6.min.js <span style='color:#111;'> 54.47KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":".myeclipse","children":null,"spread":false},{"title":"src","children":[{"title":"log4j.properties <span style='color:#111;'> 637B </span>","children":null,"spread":false},{"title":"struts.properties <span style='color:#111;'> 279B </span>","children":null,"spread":false},{"title":"com","children":[{"title":"hisoft","children":[{"title":"jqt","children":[{"title":"action","children":[{"title":"TestAction.java <span style='color:#111;'> 2.20KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":"struts.xml <span style='color:#111;'> 1.45KB </span>","children":null,"spread":false}],"spread":true},{"title":".classpath <span style='color:#111;'> 1.18KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]