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:
使用账号密码发送请求登录

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;
}
}
}
成功响应结果
{
"type": "success",
"data": {
"tokenType": "manager",
"token": "HeEoZIVgPjQAuhSAF5z5qKCO-_-iWowwEIdiuKMfurQ",
"roleList": [
"Manager",
"OrganizationManager",
"MeetingManager",
"ProcessPlatformManager"
],
"id": "xadmin",
"name": "xadmin",
"employee": "xadmin",
"distinguishedName": "xadmin@o2oa@P",
"mail": "xadmin@o2oa.net",
"weixin": "",
"qq": "",
"mobile": ""
},
"message": "",
"date": "2019-10-19 14:15:17",
"spent": 18,
"size": -1,
"count": 0,
"position": 0
}
失败响应结果
{
"readyState": 4,
"responseText": "{\"type\": \"error\",\"message\": \"用户不存在或者密码错误.\",\"date\": \"2019-10-19 14:34:34\",\"spent\": 9,  \"size\": -1,  \"count\": 0,  \"position\": 0,   \"prompt\":\"com.x.organization.assemble.authentication.jaxrs.authentication.ExceptionPersonNotExistOrInvalidPassword\"  }",
"responseJSON": {
"type": "error",
"message": "用户不存在或者密码错误.",
"date": "2019-10-19 14:34:34",
"spent": 9,
"size": -1,
"count": 0,
"position": 0,
"prompt": "com.x.organization.assemble.authentication.jaxrs.authentication.ExceptionPersonNotExistOrInvalidPassword"
},
"status": 500,
"statusText": "Internal Server Error"
}
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0modelVersion>