发送用户账号密码进行登录认证

此示例演示如何使用java发送Http请求来登录o2server，获取登录认证xtoken信息

完整代码示例：

package net.o2oa.demos;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;

import org.apache.commons.codec.binary.StringUtils;
import org.json.JSONObject;

/**
 * 此示例演示如何使用java发送Http请求来登录o2server，获取登录认证xtoken信息 * @author O2OA
 */
public class Demo_LoginToServer {
    static final String URL_LOGIN = "/x_organization_assemble_authentication/jaxrs/authentication";

    public static void main(String[] args) {
        String applicationServer = "127.0.0.1";
        Integer applicationPort = 20020;
        String userName = "张三";
        String password = "o2";
        try {
            LoginResult result = login(applicationServer, applicationPort, userName, password);
            if (StringUtils.equals("success", result.getType())) {
                System.out.println("xtoken=" + result.getToken());
            } else {
                System.out.println("message:" + result.getMessage());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //服务地址：http://127.0.0.1:20020/x_organization_assemble_authentication/jaxrs/authentication
    // {"credential":"xadmin","password":"o2"}
    /**
     * 使用登录认证的接口进行服务器登录，获取xtoken信息
     * @param applicationServer  127.0.0.1
     * @param applicationPort     20020
     * @param userName             张三
     * @param password              o2
     * @return
     * @throws Exception
     */
    public static LoginResult login(String applicationServer, Integer applicationPort, String userName, String password) throws Exception {
        //参数
        String loginUrl = "http://" + applicationServer + ":" + applicationPort + URL_LOGIN;
        String loginParams = String.format("{'credential':'%s','password':'%s'}", userName, password);
        String responseData = sendPost(loginUrl, loginParams);
        JSONObject result = new JSONObject(responseData);
        String type = result.getString("type");
        if (StringUtils.equals("success", type)) {
            //登录成功
            JSONObject data = result.getJSONObject("data");
            String token = data.getString("token");
            return new LoginResult("success", token, "登录成功！");
        } else {
            //登录失败
            return new LoginResult("error", null, "用户不存在或者密码错误！");
        }
    }

    /**
     * 发送POST请求     * 	 * @param url  地址	 * @param param   传入的数据	 * @return
     */
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("Content-Type", "application/json; charset=utf-8");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

    public static class LoginResult {
        private String type;
        private String token;
        private String message;

        public LoginResult(String type, String token, String message) {
            super();
            this.type = type;
            this.token = token;
            this.message = message;
        }

        public String getType() {
            return type;
        }

        public void setType(String type) {
            this.type = type;
        }

        public String getToken() {
            return token;
        }

        public void setToken(String token) {
            this.token = token;
        }

        public String getMessage() {
            return message;
        }

        public void setMessage(String message) {
            this.message = message;
        }
    }
}

pom.xml

示例下载（Eclipse，JDK1.8）：

18KB
test_o2oa_java_demo.zip
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test_o2oa_java_demo.zip
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