JSONP实例

JSONP实例

package sus.app;

import java.io.IOException;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;

import org.apache.struts2.interceptor.ServletRequestAware;

import org.apache.struts2.interceptor.ServletResponseAware;

import org.apache.struts2.interceptor.SessionAware;

import com.opensymphony.xwork2.ActionSupport;

/**

* 登录用户认证

*

* @author Administrator

*

*/

public class AppLoginAction extends ActionSupport

implements SessionAware, ServletRequestAware, ServletResponseAware {

public HttpServletRequest request;

public HttpServletResponse response;

public Map session;

public String callback;

public void setSession(Map session)

{

this.session = session;

}

public void setServletRequest(HttpServletRequest httpServletRequest) {

this.request = httpServletRequest;

}

public void setServletResponse(HttpServletResponse httpServletResponse) {

this.response = httpServletResponse;

}

public String getCallback() {

return callback;

}

public void setCallback(String callback) {

this.callback = callback;

}

@SuppressWarnings({ "unused", "null" })

public String LoginInfoCheck() {

String loginName = request.getParameter("loginName");

String loginPassword = request.getParameter("loginPassword");

StringBuffer _jsonstr = null;

try {

_jsonstr = new StringBuffer();

_jsonstr.append(callback).append("({\"success\":").append("\"true\"").append(",\"result\":");

_jsonstr.append("[]");

} catch (Exception e1) {

e1.printStackTrace();

_jsonstr.append("[]");

}

_jsonstr.append("})");

HttpServletResponse response = ServletActionContext.getResponse();

response.setContentType("text/json;charset=utf-8");

try {

response.getWriter().write(_jsonstr.toString());

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return null;

}

}