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ajax异步验证用户名是否存在

时间:2017-05-22 13:28:12      阅读:211      评论:0      收藏:0      [点我收藏+]

标签:存在   org   ram   name   black   info   erro   oid   over   

jsp代码
//验证用户名是否存在 function userNum(inputname) { $.ajax({ url:"findByName.action", type:"POST", data:"userRegisterInfo.username=" + inputname, dataType:"json", success:function(data) { if(data.status == 1) { $("#u").html("
<font color=‘red‘>+该用户不可用!</font>"); } else { $("#u").html("<font color=‘black‘>+该用户可用!</font>"); } }, error:function() { alert("error"); } }); }
struts.xml
<
package name="user_json" extends="json-default"> <action name="findByName" class="org.mln.bbs.action.FindNameAction"> <result type="json"> <!-- 这里指定将被Struts2序列化的属性,该属性在action中必须有对应的getter方法 --> <param name="root">jsonResult</param> </result> </action> </package>

action代码
@Component("user1") @Scope("prototype") public class FindNameAction extends ActionSupport { private UserRegisterInfo userRegisterInfo; private UserService userService; private Map
<String,Object> jsonResult; @Override public String execute() { jsonResult = new HashMap<String, Object>(); int userNum = userService.userNumByName(userRegisterInfo.getUsername()); if(userNum > 0) { jsonResult.put("valid", false); } else { jsonResult.put("valid", true); } return "success"; } public Map<String, Object> getJsonResult() { return jsonResult; } public void setJsonResult(Map<String, Object> jsonResult) { this.jsonResult = jsonResult; } public UserService getUserService() { return userService; } @Resource(name="userService") public void setUserService(UserService userService) { this.userService = userService; } public UserRegisterInfo getUserRegisterInfo() { return userRegisterInfo; } public void setUserRegisterInfo(UserRegisterInfo userRegisterInfo) { this.userRegisterInfo = userRegisterInfo; } }

 

 

 



 

ajax异步验证用户名是否存在

标签:存在   org   ram   name   black   info   erro   oid   over   

原文地址:http://www.cnblogs.com/liuranjsj/p/6888795.html

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