教师端部分接口实现

pom.xml

@@ -144,6 +144,11 @@
             <artifactId>httpclient</artifactId>
             <version>4.5.14</version>
         </dependency>
+        <dependency>
+            <groupId>com.github.ben-manes.caffeine</groupId>
+            <artifactId>caffeine</artifactId>
+            <version>2.9.3</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/com/sztzjy/forex/trading_trading/config/security/JwtUser.java

@@ -25,7 +25,7 @@ public class JwtUser implements UserDetails {
     private String className;
     private int majorId;
     private String majorName;
-    private String collegeId;
+    private int collegeId;
     private String collegeName;
     private List<String> authorityCodes;
 

src/main/java/com/sztzjy/forex/trading_trading/config/security/TokenProvider.java

@@ -8,10 +8,14 @@ import org.springframework.security.authentication.UsernamePasswordAuthenticatio
 import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
 
+import javax.crypto.KeyGenerator;
+import javax.crypto.SecretKey;
 import javax.crypto.spec.SecretKeySpec;
 import javax.servlet.http.HttpServletRequest;
 import java.security.Key;
+import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
+import java.util.Base64;
 import java.util.Date;
 import java.util.List;
 
@@ -23,6 +27,8 @@ public class TokenProvider {
 
     private final static String SECRET_ZHIYUN = "zy_wh_mnjy_fp76ckwuczzmb67w0a8x0";
 
+    private final static String CURRENT_TO_ZHIYUN = "jVzvfoZU_eFN0CJcFARg0K6DlzTLa7oMWB7lV_y2s7bkv2Bem0281wEwlJp5afhsmM-Ynwvh3mAUTpwblGEz1A";
+
     /**
      * 解析jwtToken
      *
@@ -66,7 +72,24 @@ public class TokenProvider {
                 .claim("classId", jwtUser.getClassId())
                 .claim("schoolId", jwtUser.getSchoolId())
                 .claim("username", jwtUser.getUsername())
-                .claim("authorityCodes",jwtUser.getAuthorityCodes())
+                .claim("authorityCodes", jwtUser.getAuthorityCodes())
+                .setIssuedAt(new Date(System.currentTimeMillis()))
+                .setExpiration(expiration)
+                .signWith(key, SignatureAlgorithm.HS512)
+                .compact();
+    }
+
+    public static String createZHIYUNToken(JwtUser jwtUser) {
+        Key key = Keys.hmacShaKeyFor(CURRENT_TO_ZHIYUN.getBytes());
+        Date expiration = new Date(System.currentTimeMillis() + EXP_TIME);
+        return Jwts.builder()
+                .claim("userId", jwtUser.getUserId())
+                .claim("roleId", jwtUser.getRoleId())
+                .claim("name", jwtUser.getName())
+                .claim("classId", jwtUser.getClassId())
+                .claim("schoolId", jwtUser.getSchoolId())
+                .claim("username", jwtUser.getUsername())
+                .claim("majorId", jwtUser.getMajorId())
                 .setIssuedAt(new Date(System.currentTimeMillis()))
                 .setExpiration(expiration)
                 .signWith(key, SignatureAlgorithm.HS512)
@@ -97,7 +120,7 @@ public class TokenProvider {
             jwtUser.setUsername(claims.get("name").toString());
             return jwtUser;
         } catch (Exception e) {
-           throw new UnAuthorizedException("token解析失败");
+            throw new UnAuthorizedException("token解析失败");
         }
     }
 
@@ -107,7 +130,36 @@ public class TokenProvider {
 //        String prefix = "zy_wh_mnjy_";
 //        String generatedKey = generateKey(prefix);
 //        System.out.println("Generated Key: " + generatedKey);
-        getJWTUserByZhiYun(null);
+//        getJWTUserByZhiYun(null);
+
+
+//生成一个新的长度为512字节的随机密钥供智云平台解析token
+//        int keyLength = 512; // 根据您的要求进行调整
+//        KeyGenerator keyGenerator;
+//        try {
+//            keyGenerator = KeyGenerator.getInstance("HmacSHA512");
+//            keyGenerator.init(keyLength);
+//            SecretKey secretKey = keyGenerator.generateKey();
+//            byte[] secretBytes = secretKey.getEncoded();
+//            String secret = Base64.getUrlEncoder().withoutPadding().encodeToString(secretBytes);
+//
+//            System.out.println("Generated Secret: " + secret);
+//        } catch (NoSuchAlgorithmException e) {
+//            e.printStackTrace();
+//        }
+
+        JwtUser user = new JwtUser();
+        user.setUserId("486");
+        user.setRoleId(3);
+        user.setUsername("tzt006");
+        user.setSchoolId(1);
+        user.setSchoolName("天择大学");
+        user.setCollegeId(1);
+        user.setCollegeName("演示学院");
+        user.setMajorId(1);
+        user.setMajorName("产品演示专业");
+        String token = createZHIYUNToken(user);
+        System.out.println(token);
     }
 
     public static String generateKey(String prefix) {
@@ -126,6 +178,7 @@ public class TokenProvider {
 
     /**
      * 获取当前用户信息
+     *
      * @param request request
      * @return JwtUser
      */

src/main/java/com/sztzjy/forex/trading_trading/controller/TrainingController.java

@@ -1,6 +1,7 @@
 package com.sztzjy.forex.trading_trading.controller;
 
 
+import cn.hutool.core.util.IdUtil;
 import com.github.pagehelper.Page;
 import com.github.pagehelper.PageInfo;
 import com.sztzjy.forex.trading_trading.annotation.Permission;
@@ -8,22 +9,28 @@ import com.sztzjy.forex.trading_trading.annotation.aspect.PermissionType;
 import com.sztzjy.forex.trading_trading.config.security.JwtUser;
 import com.sztzjy.forex.trading_trading.config.security.TokenProvider;
 import com.sztzjy.forex.trading_trading.dto.TrainingBO;
+import com.sztzjy.forex.trading_trading.entity.Member;
 import com.sztzjy.forex.trading_trading.entity.Training;
+import com.sztzjy.forex.trading_trading.service.MemberService;
 import com.sztzjy.forex.trading_trading.service.TrainingService;
 import com.sztzjy.forex.trading_trading.util.ResultEntity;
+import com.sztzjy.forex.trading_trading.util.TzApi;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
+import org.springframework.util.Assert;
 import org.springframework.web.bind.annotation.*;
 import org.w3c.dom.stylesheets.LinkStyle;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 @Api(tags = "实训管理")
 @RestController
@@ -32,6 +39,7 @@ import java.util.Map;
 public class TrainingController {
 
     private final TrainingService trainingService;
+    private final MemberService memberService;
     private final HttpServletRequest request;
 
 
@@ -40,16 +48,29 @@ public class TrainingController {
     @PostMapping("create")
     public ResultEntity create(@RequestBody TrainingBO bo) {
         JwtUser currentUser = TokenProvider.getJWTUser(request);
-        trainingService.create(bo, currentUser);
+        Training training = trainingService.create(bo, currentUser);
+        List<Map<String, Object>> maps;
+        if (bo.getMajorId() == null || bo.getMajorId() == 0) {
+            maps = TzApi.GetClassBySchoolIdForForeignExchangeTrading(currentUser);
+        } else {
+            maps = TzApi.GetClassByMajorIdForForeignExchangeTrading(currentUser, bo.getMajorId());
+        }
+        String classIds = maps.stream()
+                .map(map -> String.valueOf(map.get("id")))
+                .collect(Collectors.joining(","));
+        List<Map<String, Object>> studentInfos = TzApi.GetStudentInfoByClassIdForForeignExchangeTrading(classIds, currentUser);
+        List<Member> members = buildMembers(studentInfos, training);
+        if (members != null && members.size() > 0) memberService.insertAll(members);
         return new ResultEntity(HttpStatus.OK);
     }
 
+
     @Permission(codes = PermissionType.TRAINING_MANAGEMENT_DEL)
     @ApiOperation("教师端----删除一条实训记录")
     @PostMapping("deleteById")
     public ResultEntity deleteById(@ApiParam("实训记录id") @RequestParam Integer trainingId) {
         trainingService.delete(trainingId);
-
+        //TODO 同步删除member表数据
         return new ResultEntity(HttpStatus.OK);
     }
 
@@ -91,4 +112,61 @@ public class TrainingController {
         JwtUser currentUser = TokenProvider.getJWTUser(request);
         return new ResultEntity<List<Map<String, Object>>>(HttpStatus.OK, trainingService.findTrainingNameList(currentUser));
     }
+
+    @Permission(codes = PermissionType.TRAINING_MANAGEMENT_ADD)
+    @ApiOperation("教师端----添加实训成员时用：获取班级列表")
+    @GetMapping("findClassNameList")
+    public ResultEntity<List<Map<String, Object>>> findClassNameList(Integer majorId) {
+        JwtUser currentUser = TokenProvider.getJWTUser(request);
+        List<Map<String, Object>> mapList;
+        if (majorId == null || majorId == 0) {
+            mapList = TzApi.GetClassBySchoolIdForForeignExchangeTrading(currentUser);
+        } else {
+            mapList = TzApi.GetClassByMajorIdForForeignExchangeTrading(currentUser, majorId);
+        }
+        return new ResultEntity<List<Map<String, Object>>>(HttpStatus.OK, mapList);
+    }
+
+    @Permission(codes = PermissionType.TRAINING_MANAGEMENT_ADD)
+    @ApiOperation("教师端----根据所选的班级获取学生列表（分页展示）")
+    @GetMapping("findStudentListByClassIds")
+    public ResultEntity<PageInfo<Map<String, Object>>> findStudentListByClassIds(@ApiParam("页码") Integer index,
+                                                                                 @ApiParam("页量") Integer size,
+                                                                                 @ApiParam("班级id列表") @RequestParam List<Integer> classIds) {
+        JwtUser currentUser = TokenProvider.getJWTUser(request);
+        return new ResultEntity<PageInfo<Map<String, Object>>>(HttpStatus.OK, TzApi.PagedListStudentInfoByClassIdForForeignExchangeTrading(currentUser, String.join(",", classIds.toString()), index, size));
+    }
+
+    @Permission(codes = PermissionType.TRAINING_MANAGEMENT_ADD)
+    @ApiOperation("教师端----添加实训成员时用：根据学号或者学生名字获取用户信息")
+    @GetMapping("findStudentInfoByKeyword")
+    public ResultEntity<List<Map<String, Object>>> findStudentInfoByKeyword(@ApiParam("关键字") @RequestParam String keyword) {
+        JwtUser currentUser = TokenProvider.getJWTUser(request);
+        return new ResultEntity<List<Map<String, Object>>>(HttpStatus.OK, TzApi.GetStudentInfoByKeywordForForeignExchangeTrading(currentUser, keyword));
+    }
+
+    @Permission(codes = PermissionType.TRAINING_MANAGEMENT_ADD)
+    @ApiOperation("教师端----添加实训成员时用：获取专业列表下拉框")
+    @GetMapping("findMajorNameList")
+    public ResultEntity<List<Map<String, Object>>> findMajorNameList() {
+        JwtUser currentUser = TokenProvider.getJWTUser(request);
+        return new ResultEntity<List<Map<String, Object>>>(HttpStatus.OK, TzApi.GetMajorIdForForeignExchangeTrading(currentUser));
+    }
+
+    private List<Member> buildMembers(List<Map<String, Object>> list, Training training) {
+        List<Member> members = new ArrayList<>();
+        if (list != null && list.size() > 0) {
+            Member member = new Member();
+            member.setMemberId(IdUtil.simpleUUID());
+            member.setName(String.valueOf(list.get(0).get("name")));
+            member.setTrainingId(training.getTrainingId());
+            member.setSchoolId(training.getCreateSchoolId());
+            member.setClassGrade(String.valueOf(list.get(0).get("className")));
+            member.setMajor(String.valueOf(list.get(0).get("majorName")));
+            member.setStudentNumber(String.valueOf(list.get(0).get("studentNo")));
+            members.add(member);
+        }
+        return members;
+    }
+
 }

src/main/java/com/sztzjy/forex/trading_trading/dto/TrainingBO.java

@@ -10,6 +10,7 @@ import lombok.Setter;
 import org.springframework.data.annotation.Transient;
 
 import java.util.Date;
+import java.util.List;
 
 @Data
 @Getter
@@ -24,17 +25,15 @@ public class TrainingBO {
     @ApiModelProperty("实训结束时间")
     private Date endTime;
 
-    @ApiModelProperty("创建人")
-    private String createBy;
-
-    @ApiModelProperty("创建学校")
-    private String createSchool;
-
     @ApiModelProperty("实训名称")
     private String trainingName;
     @ApiModelProperty("参加实训人数")
     @JsonIgnore
     private Integer peopleCount;
+    @ApiModelProperty("实训专业")
+    private Integer majorId;
+    @ApiModelProperty("实训班级")
+    private List<Integer> classId;
 
 
 }

src/main/java/com/sztzjy/forex/trading_trading/service/MemberService.java

@@ -9,11 +9,11 @@ import org.springframework.stereotype.Service;
 import java.util.List;
 
 @Service
-public class MemberService  {
+public class MemberService {
     @Autowired
     MemberMapper memberMapper;
 
-    public Member getMemberByMemberIdAndTrainingId(String memberId,String trainingId){
+    public Member getMemberByMemberIdAndTrainingId(String memberId, String trainingId) {
         MemberExample example = new MemberExample();
         MemberExample.Criteria criteria = example.createCriteria();
         criteria.andMemberIdEqualTo(memberId);
@@ -22,12 +22,18 @@ public class MemberService  {
         return members.get(0);
     }
 
-    public void updateByPrimaryKey(Member member){
+    public void updateByPrimaryKey(Member member) {
         memberMapper.updateByPrimaryKey(member);
     }
 
-    public Member selectByPrimaryKey(String memberId){
+    public Member selectByPrimaryKey(String memberId) {
         Member member = memberMapper.selectByPrimaryKey(memberId);
         return member;
     }
+
+    public void insertAll(List<Member> members) {
+        for (Member member : members) {
+            memberMapper.insert(member);
+        }
+    }
 }

src/main/java/com/sztzjy/forex/trading_trading/service/TrainingService.java

@@ -1,21 +1,26 @@
 package com.sztzjy.forex.trading_trading.service;
 
+import cn.hutool.core.util.IdUtil;
 import com.github.pagehelper.Page;
 import com.github.pagehelper.PageHelper;
 import com.github.pagehelper.PageInfo;
 import com.sztzjy.forex.trading_trading.config.security.JwtUser;
 import com.sztzjy.forex.trading_trading.dto.TrainingBO;
+import com.sztzjy.forex.trading_trading.entity.Member;
 import com.sztzjy.forex.trading_trading.entity.Training;
 import com.sztzjy.forex.trading_trading.entity.TrainingExample;
 import com.sztzjy.forex.trading_trading.mappers.TrainingMapper;
+import com.sztzjy.forex.trading_trading.util.TzApi;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.Assert;
 import org.springframework.util.StringUtils;
 
 import javax.annotation.Resource;
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 @Service
 public class TrainingService {
@@ -24,13 +29,31 @@ public class TrainingService {
     private TrainingMapper trainingMapper;
 
 
-    public void create(TrainingBO bo, JwtUser currentUser) {
+    public Training create(TrainingBO bo, JwtUser currentUser) {
         //TODO 待完成通过学校id或者班级id到智云平台获取学生信息并将参与实训学生信息添加到member表中
         if (checkTrainingName(bo.getTrainingName(), null)) {
             throw new RuntimeException("实训名称已存在");
         }
         Training training = Training.buildTraining(bo, currentUser);
+
         trainingMapper.insertSelective(training);
+        return training;
+    }
+
+    private List<Member> buildMembers(List<Map<String, Object>> list, Training training) {
+        List<Member> members = new ArrayList<>();
+        if (list != null && list.size() > 0) {
+            Member member = new Member();
+            member.setMemberId(IdUtil.simpleUUID());
+            member.setName(String.valueOf(list.get(0).get("name")));
+            member.setTrainingId(training.getTrainingId());
+            member.setSchoolId(training.getCreateSchoolId());
+            member.setClassGrade(String.valueOf(list.get(0).get("className")));
+            member.setMajor(String.valueOf(list.get(0).get("majorName")));
+            member.setStudentNumber(String.valueOf(list.get(0).get("studentNo")));
+            members.add(member);
+        }
+        return members;
     }
 
 

src/main/java/com/sztzjy/forex/trading_trading/util/CacheProvider.java

@@ -0,0 +1,50 @@
+package com.sztzjy.forex.trading_trading.util;
+
+import com.github.benmanes.caffeine.cache.Cache;
+import com.github.benmanes.caffeine.cache.Caffeine;
+
+import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
+
+/**
+ * 咖啡因提供的缓存工具类
+ *  
+ */
+public class CacheProvider {
+    private Cache<String, Object> cache = null;
+    public CacheProvider(Integer expire, Integer maxSize) {
+        /**
+         * 基于时间的移除：expireAfterAccess(long, TimeUnit) 根据某个键值对最后一次访问之后多少时间后移除
+         * 　　　　　　　　expireAfterWrite(long, TimeUnit) 根据某个键值对被创建或值被替换后多少时间移除
+         */
+        if(cache==null){
+            cache = Caffeine.newBuilder()
+                    .expireAfterWrite(expire, TimeUnit.SECONDS)
+                    .maximumSize(maxSize)
+                    .build();
+        }
+    }
+
+    public long getSize(){
+        return cache.estimatedSize();
+    }
+
+    public void put(String key,String value){
+        cache.put(key, value);
+    }
+    public void put(String key,Object value){
+        cache.put(key, value);
+    }
+
+    public Object get(String key){
+        return cache.getIfPresent(key);
+    }
+
+    public Object get(String key,Function<? super String, ? extends Object> fc){
+        return cache.get(key,fc);
+    }
+
+    public void remove(String key){
+        cache.invalidate(key);
+    }
+}

src/main/java/com/sztzjy/forex/trading_trading/util/HttpUtils.java

@@ -94,4 +94,37 @@ public class HttpUtils {
         }
         return null;
     }
+
+
+    // 发送GET请求 携带Token
+    public static String sendGet(String url, String token) throws IOException {
+        HttpURLConnection connection = null;
+        BufferedReader reader = null;
+        StringBuilder response = new StringBuilder();
+
+        try {
+            URL requestUrl = new URL(url);
+            connection = (HttpURLConnection) requestUrl.openConnection();
+            connection.setRequestMethod("GET");
+
+            // 添加token到请求头部
+            connection.setRequestProperty("Authorization", "Bearer " + token);
+
+            reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+            String line;
+            while ((line = reader.readLine()) != null) {
+                response.append(line);
+            }
+        } finally {
+            if (reader != null) {
+                reader.close();
+            }
+            if (connection != null) {
+                connection.disconnect();
+            }
+        }
+
+        return response.toString();
+    }
+
 }

src/main/java/com/sztzjy/forex/trading_trading/util/TzApi.java

@@ -1,20 +1,43 @@
 package com.sztzjy.forex.trading_trading.util;
 
+import cn.hutool.json.JSONArray;
+import com.fasterxml.jackson.core.type.TypeReference;
 import cn.hutool.http.HttpStatus;
 import cn.hutool.http.HttpUtil;
 import cn.hutool.json.JSONObject;
 import cn.hutool.json.JSONUtil;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.github.pagehelper.PageInfo;
 import com.nimbusds.jose.shaded.gson.JsonObject;
 import com.sztzjy.forex.trading_trading.config.security.JwtUser;
+import com.sztzjy.forex.trading_trading.config.security.TokenProvider;
+import org.springframework.util.StringUtils;
 
+import java.io.IOException;
 import java.net.URLEncoder;
+import java.util.*;
 
 
 public class TzApi {
 
     private final static String API_URL = "http://Cloud.sztzjy.com";
 
-    private final static String LOGIN_URL = API_URL + "/Account/FireignExchangeTradingLogin";
+    private final static String LOGIN_URL = API_URL + "/Account/ForeignExchangeTradingLogin";
+
+    private final static String GET_CLASS = API_URL + "/Account/GetClassBySchoolIdForForeignExchangeTrading";
+
+    private final static String GET_MAJOR = API_URL + "/Account/GetMajorIdForForeignExchangeTrading";
+
+    private final static String GET_CLASS_BY_MAJOR = API_URL + "/Account/GetClassByMajorIdForForeignExchangeTrading";
+
+    private final static String GET_STUDENT_BY_ClALL = API_URL + "/Account/GetStudentInfoByClassIdForForeignExchangeTrading";
+
+    private final static String GET_STUDENT_BY_KEYWORD = API_URL + "/Account/GetStudentInfoByKeywordForForeignExchangeTrading";
+    private final static String PAGE_STUDENT_BY_KEYWORD = API_URL + "/Account/PagedListStudentInfoByClassIdForForeignExchangeTrading";
+
+    // 智云接口调用token加入缓存，默认1小时过期
+    private static CacheProvider cacheProvider = new CacheProvider(2400, 6000);
 
 
     public static JwtUser foreignExchangeTradingLogin(String userName, String password) {
@@ -34,7 +57,7 @@ public class TzApi {
             JSONObject jsonObject = object.getJSONObject("respString");
             JSONObject resultObject = jsonObject.getJSONObject("result");
             int code = resultObject.getInt("code");
-            if(code!= HttpStatus.HTTP_OK){
+            if (code != HttpStatus.HTTP_OK) {
                 throw new IllegalArgumentException("登录失败");
             }
             JSONObject dataObject = resultObject.getJSONObject("data");
@@ -45,6 +68,12 @@ public class TzApi {
             user.setRoleId(dataObject.getInt("roleId"));
             user.setSchoolId(dataObject.getInt("schoolId"));
             user.setClassId(dataObject.getInt("classId"));
+            user.setMajorId(dataObject.getInt("majorId"));
+            user.setClassName(dataObject.getStr("className"));
+            user.setMajorName(dataObject.getStr("majorName"));
+            user.setSchoolName(dataObject.getStr("schoolName"));
+            user.setCollegeId(dataObject.getInt("collegeId"));
+            user.setCollegeName(dataObject.getStr("collegeName"));
             user.setUsername(userName);
             user.setPassword(password);
             return user;
@@ -54,4 +83,138 @@ public class TzApi {
         return null;
     }
 
+    public static List<Map<String, Object>> GetClassBySchoolIdForForeignExchangeTrading(JwtUser user) {
+        String token = getToken(user);
+        String url = GET_CLASS;
+        return getDataFromApi(url, token);
+    }
+
+    public static List<Map<String, Object>> GetMajorIdForForeignExchangeTrading(JwtUser user) {
+        String token = getToken(user);
+        String url = GET_MAJOR;
+        return getDataFromApi(url, token);
+    }
+
+    public static List<Map<String, Object>> GetClassByMajorIdForForeignExchangeTrading(JwtUser user, int majorId) {
+        String token = getToken(user);
+        String url = GET_CLASS_BY_MAJOR + "?majorId=" + majorId;
+        return getDataFromApi(url, token);
+    }
+
+    public static List<Map<String, Object>> GetStudentInfoByClassIdForForeignExchangeTrading(String classIds, JwtUser user) {
+        String token = getToken(user);
+        String url = GET_STUDENT_BY_ClALL + "?classList=" + classIds;
+        return getDataFromApi(url, token);
+    }
+
+    public static List<Map<String, Object>> GetStudentInfoByKeywordForForeignExchangeTrading(JwtUser user, String keyword) {
+        String token = getToken(user);
+        String url = GET_STUDENT_BY_KEYWORD + "?keyword=" + keyword;
+        return getDataFromApi(url, token);
+    }
+
+    public static PageInfo<Map<String, Object>> PagedListStudentInfoByClassIdForForeignExchangeTrading(JwtUser user, String classIds, int page, int size) {
+        String token = getToken(user);
+        String url = PAGE_STUDENT_BY_KEYWORD + "?classList=" + classIds + "&page=" + page + "&size=" + size;
+        return getPageDataFromApi(url, token);
+    }
+
+
+    public static List<Map<String, Object>> getDataFromApi(String url, String token) {
+        List<Map<String, Object>> dataList = new ArrayList<>();
+        try {
+            String responseBody = HttpUtils.sendGet(url, token);
+
+            ObjectMapper objectMapper = new ObjectMapper();
+            JsonNode jsonNode = objectMapper.readTree(responseBody);
+
+            JsonNode resultNode = jsonNode.get("result");
+            JsonNode dataNode = resultNode.get("data");
+            if (dataNode.isArray()) {
+                for (JsonNode node : dataNode) {
+                    Map<String, Object> dataMap = new HashMap<>();
+                    dataMap.put("id", node.get("id").asText());
+                    dataMap.put("name", node.get("name").asText());
+
+                    dataList.add(dataMap);
+                }
+            }
+
+        } catch (Exception e) {
+            throw new IllegalArgumentException("获取数据异常");
+        }
+        return dataList;
+    }
+
+
+    public static PageInfo<Map<String, Object>> getPageDataFromApi(String url, String token) {
+        PageInfo pageInfo = new PageInfo();
+        try {
+            String responseBody = HttpUtils.sendGet(url, token);
+
+            ObjectMapper objectMapper = new ObjectMapper();
+            JsonNode jsonNode = objectMapper.readTree(responseBody);
+
+            JsonNode resultNode = jsonNode.get("result");
+            JsonNode dataNode = resultNode.get("data");
+            if (dataNode != null) {
+                pageInfo.setPages(resultNode.get("totalPages").asInt());
+                pageInfo.setHasPreviousPage(resultNode.get("hasPreviousPage").asBoolean());
+                pageInfo.setHasNextPage(resultNode.get("hasNextPage").asBoolean());
+                pageInfo.setTotal(resultNode.get("totalCount").asInt());
+                JsonNode retNode = dataNode.get("data");
+                List<Map<String,Object>> dataList = new ArrayList<>();
+                if(retNode.isArray()){
+                    for(JsonNode node: retNode){
+                        Map<String, Object> dataMap = new HashMap<>();
+                        dataMap.put("id", node.get("id").asText());
+                        dataMap.put("name", node.get("name").asText());
+                        dataMap.put("studentNo", node.get("studentNo").asText());
+                        dataMap.put("className", node.get("className").asText());
+                        dataMap.put("majorName", node.get("majorName").asText());
+                        dataList.add(dataMap);
+                    }
+                }
+
+                pageInfo.setList(dataList);
+            }
+
+
+        } catch (Exception e) {
+            throw new IllegalArgumentException("获取数据异常");
+        }
+        return pageInfo;
+    }
+
+    private static String getToken(JwtUser user) {
+        try {
+            String access_token;
+
+            access_token = (String) cacheProvider.get(user.getUserId() + user.getUsername());
+            if (StringUtils.hasText(access_token)) {
+                System.out.println("-------->>> 从缓存中获取 access_token【成功】");
+            } else {
+                access_token = TokenProvider.createZHIYUNToken(user);
+                cacheProvider.put(user.getUserId() + user.getUsername(), access_token);
+                System.out.println("-------->>> 从远程获取 access_token【成功】");
+            }
+            return access_token;
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e.getMessage());
+        }
+    }
+
+    public static void main(String[] args) {
+        JwtUser user = new JwtUser();
+        user.setUserId("486");
+        user.setRoleId(3);
+        user.setUsername("tzt006");
+        user.setSchoolId(1);
+        user.setSchoolName("天择大学");
+        user.setCollegeId(1);
+        user.setCollegeName("演示学院");
+        user.setMajorId(1);
+        user.setMajorName("产品演示专业");
+        PagedListStudentInfoByClassIdForForeignExchangeTrading(user, "7", 1, 10);
+    }
 }