import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class WeChatApproval {
//下面三个常量定义,需要用你自己的(企业微信开放平台)
private static final String CORP_ID = "你的corp_id";
private static final String CORP_SECRET = "你的corp_secret";
private static final String APPROVAL_TEMPLATE_ID = "你的template_id"; // 审批模板ID
// 获取 Access Token
public static String getAccessToken() throws IOException {
String url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=" + CORP_ID + "&corpsecret=" + CORP_SECRET;
try (CloseableHttpClient client = HttpClients.createDefault()) {
HttpGet request = new HttpGet(url);
try (CloseableHttpResponse response = client.execute(request)) {
String responseBody = EntityUtils.toString(response.getEntity());
Map<String, Object> map = new ObjectMapper().readValue(responseBody, Map.class);
return map.get("access_token").toString();
}
}
}
// 发起审批流程
public static String initiateApproval(String accessToken, Map<String, Object> approvalData) throws IOException {
String url = "https://qyapi.weixin.qq.com/cgi-bin/oa/applyevent?access_token=" + accessToken;
try (CloseableHttpClient client = HttpClients.createDefault()) {
HttpPost post = new HttpPost(url);
post.setHeader("Content-Type", "application/json");
Map<String, Object> requestMap = new HashMap<>();
requestMap.put("template_id", APPROVAL_TEMPLATE_ID);
requestMap.put("use_template_approver", 1); // 使用模板中的审批人
requestMap.put("approver", approvalData.get("approver"));
requestMap.put("apply_data", approvalData.get("apply_data"));
requestMap.put("summary_list", approvalData.get("summary_list"));
String json = new ObjectMapper().writeValueAsString(requestMap);
post.setEntity(new StringEntity(json, "UTF-8"));
try (CloseableHttpResponse response = client.execute(post)) {
String responseBody = EntityUtils.toString(response.getEntity());
Map<String, Object> map = new ObjectMapper().readValue(responseBody, Map.class);
return map.get("sp_no").toString(); // 返回审批单编号
}
}
}
// 查询审批流程状态
public static Map<String, Object> getApprovalDetail(String accessToken, String spNo) throws IOException {
String url = "https://qyapi.weixin.qq.com/cgi-bin/oa/getapprovaldetail?access_token=" + accessToken;
try (CloseableHttpClient client = HttpClients.createDefault()) {
HttpPost post = new HttpPost(url);
post.setHeader("Content-Type", "application/json");
Map<String, Object> requestMap = new HashMap<>();
requestMap.put("sp_no", spNo);
String json = new ObjectMapper().writeValueAsString(requestMap);
post.setEntity(new StringEntity(json, "UTF-8"));
try (CloseableHttpResponse response = client.execute(post)) {
String responseBody = EntityUtils.toString(response.getEntity());
return new ObjectMapper().readValue(responseBody, Map.class);
}
}
}
public static void main(String[] args) {
try {
// 1. 获取Access Token
String accessToken = getAccessToken();
System.out.println("Access Token: " + accessToken);
// 2. 发起审批流程
Map<String, Object> approvalData = new HashMap<>();
approvalData.put("approver", new Object[] {
Map.of("attr", 1, "userid", new String[] { "approver_userid" })
});
approvalData.put("apply_data", Map.of(
"contents", new Object[] {
Map.of("control", "Text", "id", "Text-1", "value", Map.of("text", "请假事由")),
Map.of("control", "Date", "id", "Date-1", "value", Map.of("date", "2024-11-01"))
}
));
approvalData.put("summary_list", new Object[] {
Map.of("summary_info", Map.of("text", "请假申请"))
});
String spNo = initiateApproval(accessToken, approvalData);
System.out.println("审批单号: " + spNo);
// 3. 查询审批状态
Map<String, Object> approvalDetail = getApprovalDetail(accessToken, spNo);
System.out.println("审批详情: " + approvalDetail);
} catch (IOException e) {
e.printStackTrace();
}
}
}
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