一体化平台对接服务调整

cdaxxt-bootstrap/src/main/java/com/tobacco/mp/config/WebMvcConfig.java

@@ -6,11 +6,8 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 /**
- * @Author XiongLiJian
+ * 资源管理配置
- * @Date 2021/12/28 15:36
+ */
- * @Description 资源管理配置
- * @Version 1.0
- **/
 @Configuration
 public class WebMvcConfig implements WebMvcConfigurer {
 

cdaxxt-business/src/main/java/com/tobacco/mp/controller/PlatformController.java

@@ -13,7 +13,9 @@ import org.springframework.web.bind.annotation.*;
 
 import javax.annotation.Resource;
 
-// 一体化平台对接
+/**
+ * 一体化平台对接
+ */
 @RestController
 @AllArgsConstructor
 @RequestMapping("/platform")

cdaxxt-business/src/main/java/com/tobacco/mp/service/PlatformMessageService.java

@@ -21,7 +21,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
-
+import com.tobacco.mp.utils.StringUtils;
 import javax.annotation.Resource;
 import java.util.ArrayList;
 import java.util.List;

cdaxxt-business/src/main/java/com/tobacco/mp/service/PlatformUserService.java

@@ -17,6 +17,7 @@ import com.tobacco.mp.uc.client.api.user.req.PageQueryUserRequest;
 import com.tobacco.mp.utils.JWTUtil;
 import com.tobacco.mp.utils.RandomUtil;
 import com.tobacco.mp.utils.RedisUtils;
+import com.tobacco.mp.utils.StringUtils;
 import io.jsonwebtoken.Claims;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;

cdaxxt-common/src/main/java/com/tobacco/mp/annotation/AuthOperation.java

@@ -1,14 +0,0 @@
-package com.tobacco.mp.annotation;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * 【允许已登录的社会用户访问的接口】使用该注解（无效）
- */
-@Target({ElementType.METHOD, ElementType.TYPE})
-@Retention(RetentionPolicy.RUNTIME)
-public @interface AuthOperation {
-}

cdaxxt-common/src/main/java/com/tobacco/mp/annotation/LogOperation.java

@@ -1,14 +0,0 @@
-package com.tobacco.mp.annotation;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-/**
- * 【需要记录操作日志】使用该注解
- */
-@Target({ElementType.METHOD, ElementType.TYPE})
-@Retention(RetentionPolicy.RUNTIME)
-public @interface LogOperation {
-}

cdaxxt-common/src/main/java/com/tobacco/mp/annotation/PassOperation.java

@@ -6,7 +6,7 @@ import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
 /**
- * 【不需要登录就能访问的接口】使用该注解
+ * 【不需要校验就能访问的接口】使用该注解
  */
 @Target({ElementType.METHOD, ElementType.TYPE})
 @Retention(RetentionPolicy.RUNTIME)

cdaxxt-common/src/main/java/com/tobacco/mp/constant/Symbol.java

@@ -1,11 +1,8 @@
 package com.tobacco.mp.constant;
 
 /**
- * @Author XiongLiJian
+ * 符号工具类
- * @Date 2021/6/4 9:31
+ */
- * @Description 符号工具类
- * @Version 1.0
- **/
 public class Symbol {
 
     /** 符号:[-] */

cdaxxt-common/src/main/java/com/tobacco/mp/enums/ResponseCodeEnum.java

@@ -2,8 +2,6 @@ package com.tobacco.mp.enums;
 
 /**
  * 响应码管理
- * @Author: XiongLiJian
- * @Date: 2020/12/29 09:14
  */
 public enum ResponseCodeEnum {
 

cdaxxt-common/src/main/java/com/tobacco/mp/enums/TipEnum.java

@@ -1,11 +1,8 @@
 package com.tobacco.mp.enums;
 
 /**
- * @Author XiongLiJian
+ * 消息提示
- * @Date 2021/12/29 9:25
+ */
- * @Description 消息提示
- * @Version 1.0
- **/
 public enum TipEnum {
 
     BATCH_DELETE_DATA_ERROR("批量删除解析错误！"),

cdaxxt-common/src/main/java/com/tobacco/mp/utils/AnnotationUtil.java

@@ -1,13 +1,11 @@
 package com.tobacco.mp.utils;
 
-import com.tobacco.mp.annotation.AuthOperation;
 import com.tobacco.mp.annotation.OpenOperation;
 import com.tobacco.mp.annotation.PassOperation;
 import com.tobacco.mp.constant.Constant;
 import com.tobacco.mp.constant.Symbol;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections.CollectionUtils;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
 import org.springframework.core.io.support.ResourcePatternResolver;
@@ -16,7 +14,6 @@ import org.springframework.core.type.classreading.MetadataReader;
 import org.springframework.core.type.classreading.MetadataReaderFactory;
 import org.springframework.stereotype.Component;
 import org.springframework.web.bind.annotation.*;
-
 import java.lang.reflect.Method;
 import java.util.*;
 
@@ -24,15 +21,15 @@ import java.util.*;
 @Component
 public class AnnotationUtil {
 
-    @Autowired
+    @javax.annotation.Resource
     RedisUtils redisUtils;
 
-    private final String RESOURCE_PATTERN = "com/tobacco/mp/**/controller/*.class";
+    // 扫描路径
+    private String RESOURCE_PATTERN = "com/tobacco/mp/**/controller/*.class";
 
+    // 放行的接口
     public static List<String> PASS_API;
 
-    public static List<String> AUTH_API;
-
     /**
      * 加载自定义注解
      */
@@ -42,16 +39,11 @@ public class AnnotationUtil {
         if (mapApis.get(OpenOperation.class.getName()) != null) {
             redisUtils.set(Constant.OPEN_API, StringUtils.toString(mapApis.get(OpenOperation.class.getName())));
         }
-        // 不需要登录就能访问的接口
+        // 不需要校验就能访问的接口
         PASS_API = mapApis.get(PassOperation.class.getName());
         if (PASS_API == null) {
             PASS_API = new ArrayList<>();
         }
-        // 允许已登录的社会用户访问的接口
-        AUTH_API = mapApis.get(AuthOperation.class.getName());
-        if (AUTH_API == null) {
-            AUTH_API = new ArrayList<>();
-        }
     }
 
     /**
@@ -87,18 +79,6 @@ public class AnnotationUtil {
                         }
                         openApi.add(api);
                     }
-                    AuthOperation authAnno = method.getAnnotation(AuthOperation.class);
-                    // 判断是否有指定主解
-                    if (authAnno != null) {
-                        // 获取注解的方法与接口请求注解
-                        String api = getApi(clazz, method);
-                        List<String> authApi = map.get(AuthOperation.class.getName());
-                        if (CollectionUtils.isEmpty(authApi)) {
-                            authApi = new ArrayList<>();
-                            map.put(AuthOperation.class.getName(), authApi);
-                        }
-                        authApi.add(api);
-                    }
                     PassOperation passAnno = method.getAnnotation(PassOperation.class);
                     // 判断是否有指定主解
                     if (passAnno != null) {
@@ -114,7 +94,7 @@ public class AnnotationUtil {
                 }
             }
         } catch (Exception e) {
-
+            e.printStackTrace();
         }
 
         return map;

cdaxxt-common/src/main/java/com/tobacco/mp/utils/JWTUtil.java

@@ -2,15 +2,14 @@ package com.tobacco.mp.utils;
 
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.Jwts;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileReader;
 import java.security.KeyFactory;
 import java.security.PublicKey;
 import java.security.spec.X509EncodedKeySpec;
 import java.util.Base64;
 
+/**
+ * JWT用户信息校验工具
+ */
 public class JWTUtil {
 
     // 公钥
@@ -23,10 +22,8 @@ public class JWTUtil {
      */
     public static PublicKey loadPublicKey(String publicKeyStr) throws Exception {
         // 移除PEM格式的标记
-        String publicKeyPEM = publicKeyStr
+        String publicKeyPEM = publicKeyStr.replace("-----BEGIN PUBLIC KEY-----", "")
-                .replace("-----BEGIN PUBLIC KEY-----", "")
+                .replace("-----END PUBLIC KEY-----", "").replaceAll("\\s", "");
-                .replace("-----END PUBLIC KEY-----", "")
-                .replaceAll("\\s", "");
         // Base64解码
         byte[] encoded = Base64.getDecoder().decode(publicKeyPEM);
         // 创建公钥规范
@@ -69,28 +66,6 @@ public class JWTUtil {
         }
     }
 
-    /**
-     * 读取txt文件的内容
-     * @param file 想要读取的文件对象
-     * @return 返回文件内容
-     */
-    public static String readTxt(File file) {
-        StringBuilder result = new StringBuilder();
-        try {
-            // 构造一个BufferedReader类来读取文件
-            BufferedReader br = new BufferedReader(new FileReader(file));
-            String s = null;
-            // 使用readLine方法，一次读一行
-            while ((s = br.readLine()) != null) {
-                result.append(System.lineSeparator()+s);
-            }
-            br.close();
-        } catch(Exception e) {
-            e.printStackTrace();
-        }
-        return result.toString();
-    }
-
     public static void main(String[] args) {
         String publicKeyStr = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwHOi7T3dx95MADXlRPkLeFS+08f7dGg6RxbG5gug+yQLnw1ARNDYx6zK0gtHU+qmUlBCVqHS5vqAt73ydDKUGY9IgdMcxWtbPj456wF7W86xDv6EfiV/G9ZRVvPWmgNUxw1RXtQa91sIuyCxp4xIFd43wROxWUbmN+Omiv2ZYqYBquSdmzslL1dDypPCZ53ZCs1aY6TodbhndySp8E7YAhw8o+F2uGPW9p1Xz1w4hIZBo10b49rOpR5h0t2U4OloBbAC8Too6Smb5ZdYseUZLLD+PW1O0l7uMBlmJuqjPXRUxuTwXUO+EA4Z/ymBXalE4Zi3uEomISqWajSDPOG4pwIDAQAB";
         String jwtToken = "eyJhbGciOiJSUzI1NiJ9.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.LzvpEPcGBeOnfV0tcO9yl11PeWuGQR0lzrRAmdUAcSGhvL-J_UF57P4_Q64qfMrzotoSEiVKiCErs4XcgexDFg4WIpx-wbZWdaQ7zIaFMWY-4eVe3R8Th72ABohwuQ7YRFJuWuNE21m3olfqbnbQ1DztDlsWrjd0l6LohrycK9A0teCAlP4Hhjl9kjT2UrRnMFVep1t5dTz8oPSE4KXNjseG8aTBGYbg304JYFQSfkdn3rB6ucp9FG0b9HGrpw1kCdq16m2VXGmKlqGizrOFw30SEZ9z9dABWiNMZjt3AqhY1ByNFtx0bNY-51DOdfVHeWTUDqItuwOak86r-ZVH_w";

cdaxxt-common/src/main/java/com/tobacco/mp/utils/Maps.java

@@ -1,80 +0,0 @@
-package com.tobacco.mp.utils;
-
-import com.alibaba.fastjson.JSON;
-
-import java.util.*;
-
-public class Maps {
-
-	/**
-	 * json去除key-value处理
-	 * @param json
-	 * @return
-	 */
-	public static String jsonRemoveKey(String json, String key) {
-		Map map = JSON.parseObject(json);
-		Iterator<Map.Entry<String, Object>> iter = map.entrySet().iterator();
-		while (iter.hasNext()) {
-			Map.Entry<String, Object> entry = iter.next();
-			if (entry.getKey() != null && entry.getKey().equals(key)) {
-				map.remove(key);
-				break;
-			}
-		}
-		return JSON.toJSONString(map);
-	}
-
-	/**
-	 * 默认采用HashMap
-	 * @param args
-	 * @return
-	 */
-	public static Map<Object,Object> map(Object ... args){
-		Map<Object,Object> map = new HashMap<Object, Object>();
-		fillMap(map, args);
-		return map;
-	}
-
-	/**
-	 * 默认采用HashMap
-	 * @param args
-	 * @return
-	 */
-	public static <K,V> Map<K,V> map(Class<K> kClazz,Class<V> vClassz,Object ... args){
-		Map<K,V> map = new HashMap<K, V>();
-		if (args.length % 2 == 0){
-			for (int i = 0;i < args.length; i+=2){
-				map.put((K)args[i], (V)args[i+1]);
-			}
-		}
-		return map;
-	}
-
-	public static Map<Object,Object> treemap(Object ... args){
-		Map<Object,Object> map = new TreeMap<Object, Object>();
-		fillMap(map, args);
-		return map;
-	}
-
-	public static <T,V> Map<T,V> copy(Map<T,V> source){
-		if (source == null){
-			return Collections.emptyMap();
-		}
-		if (source instanceof LinkedHashMap){
-			return new LinkedHashMap<T,V>(source);
-		} else if (source instanceof TreeMap){
-			return new TreeMap<T,V>(source);
-		} else {
-			return new HashMap<T,V>(source);
-		}
-	}
-
-	private static void fillMap(Map target,Object ... args){
-		if (args.length % 2 == 0){
-			for (int i = 0;i < args.length; i+=2){
-				target.put(args[i], args[i+1]);
-			}
-		}
-	}
-}
-

cdaxxt-common/src/main/java/com/tobacco/mp/utils/Objects.java

@@ -1,249 +0,0 @@
-package com.tobacco.mp.utils;
-
-
-import org.apache.commons.beanutils.PropertyUtils;
-import org.apache.commons.lang3.StringUtils;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.util.*;
-
-/**
- *
- */
-public final class Objects {
-    public static <T> List<T> take(List list, String name, Class<T> clazz) {
-        try {
-            List<T> values = new ArrayList<>();
-            for (Object item : list) {
-
-                Object valueObj = PropertyUtils.getProperty(item, name);
-                T value = (T) valueObj;
-                if (value != null) {
-                    values.add(value);
-                }
-            }
-            return values;
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    public static <I, T> Map<I, T> index(List<T> list, String name, Class<I> clazz) {
-        try {
-            Map<I, T> index = new HashMap<>();
-            for (T t : list) {
-                Object valueObj = PropertyUtils.getProperty(t, name);
-                I key = (I) valueObj;
-                index.put(key, t);
-            }
-            return index;
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    /**
-     * @param target
-     * @param source
-     * @param mapKey 默认两个对象之间通过mapKey关联，即source中对应的是id，target中对应的对象的属性是mapKey.replace("Id")
-     */
-    public static void orm(List target, List source, String mapKey) {
-        try {
-            String defaultID = "id";
-            Map<Object, Object> index = index(source, defaultID, Object.class);
-            String name = mapKey.substring(0, mapKey.length() - defaultID.length());
-            for (Object t : target) {
-                Object mapValue = PropertyUtils.getProperty(t, mapKey);
-                Object value = index.get(mapValue);
-                PropertyUtils.setProperty(t, name, value);
-            }
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    public static void orm(List target, List source, String mapKey, String name) {
-        try {
-            String defaultID = "id";
-            Map<Object, Object> index = index(source, defaultID, Object.class);
-            for (Object t : target) {
-                Object mapValue = PropertyUtils.getProperty(t, mapKey);
-                if(mapValue != null) {
-                    Object value = index.get(Long.parseLong(mapValue.toString()));
-                    PropertyUtils.setProperty(t, name, value);
-                }
-            }
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    public static boolean isEmpty(Object value) {
-        if (value == null) {
-            return true;
-        }
-        if (value instanceof Integer) {
-            return value.equals(Integer.valueOf(0));
-        } else if (value instanceof String) {
-            return StringUtils.isEmpty(value.toString());
-        }
-        return false;
-    }
-
-
-    public static Map<Object, List> group(List list, String prop) {
-        try {
-            Map<Object, List> groupIndex = new HashMap<>();
-            for (Object item : list) {
-                Object value = PropertyUtils.getProperty(item, prop);
-                if (value != null) {
-                    List group = groupIndex.get(value);
-                    if (group == null) {
-                        group = new LinkedList();
-                        groupIndex.put(value, group);
-                    }
-                    group.add(item);
-                }
-            }
-            return groupIndex;
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    /**
-     * list去重
-     * @param list
-     * @return
-     */
-    public static List removeDuplicate(List list)  {
-        for  ( int  i  =   0 ; i  <  list.size()  -   1 ; i ++ )  {
-            for  ( int  j  =  list.size()  -   1 ; j  >  i; j -- )  {
-                if  (list.get(j).equals(list.get(i)))  {
-                    list.remove(j);
-                }
-            }
-        }
-        return list;
-    }
-
-    /**
-     * 检查一个列表对象是否有数据
-     * @param objs
-     * @return
-     */
-    public static <T> boolean checkObjFieldIsData(Collection<T> objs, String...keys) {
-        try {
-            for (T obj : objs) {
-                if (checkObjField(obj, keys)) {
-                    return true;
-                }
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        return false;
-    }
-
-
-    /**
-     * 检查一个列表对象是否有数据
-     * @param objs false 表示
-     * @return
-     */
-    public static <T> boolean checkObjFieldIsData(Map<String, List<T>> objs, String...keys) {
-        try {
-            Iterator<Map.Entry<String, List<T>>> iter = objs.entrySet().iterator();
-            while (iter.hasNext()) {
-                Map.Entry<String, List<T>> entry = iter.next();
-                for (Object obj : entry.getValue()) {
-                    if (checkObjField(obj, keys)) {
-                        return true;
-                    }
-                }
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        return false;
-    }
-
-    /**
-     * 去掉设备类型没有在线率的统计
-     * @param map
-     */
-    public static <T> void deleteNullDeviceType(Map<Integer, List<T>> map, String...keys) {
-        List<Integer> eventTypes = new ArrayList<>();
-        Iterator<Map.Entry<Integer, List<T>>> iter = map.entrySet().iterator();
-        while (iter.hasNext()) {
-            Map.Entry<Integer, List<T>> entry = iter.next();
-            boolean result = checkObjFieldIsData(entry.getValue(), keys);
-            if (!result) {
-                eventTypes.add(entry.getKey());
-            }
-        }
-        for (Integer s: eventTypes) {
-            map.remove(s);
-        }
-    }
-
-    /**
-     * 检测对象是否有数据
-     * @param obj
-     * @return
-     * @throws IllegalAccessException
-     */
-    private static boolean checkObjField(Object obj, String...keys) throws IllegalAccessException{
-        for (Field f : obj.getClass().getDeclaredFields()) {
-            f.setAccessible(true);
-            if (keys != null) {
-                boolean isCheck = true;
-                for (String key : keys) {
-                    if (key.equals(f.getName())) {
-                        isCheck = false;
-                        break;
-                    }
-                }
-                if (!isCheck) {
-                    continue;
-                }
-            }
-            if (obj instanceof String && f.get(obj) != null) {
-                if (!"".equals(String.valueOf(f.get(obj)))) {
-                    return true;
-                }
-            } else if (obj instanceof Number && f.get(obj) != null) {
-                if (!"0".equals(String.valueOf(f.get(obj)))) {
-                    return true;
-                }
-            } else if (f.get(obj) != null) {
-                if (!"0".equals(String.valueOf(f.get(obj)))) {
-                    return true;
-                }
-            }
-        }
-        return false;
-    }
-
-}

cdaxxt-common/src/main/java/com/tobacco/mp/utils/StringUtils.java

@@ -0,0 +1,89 @@
+package com.tobacco.mp.utils;
+
+import com.tobacco.mp.constant.Symbol;
+import org.apache.commons.collections4.CollectionUtils;
+import java.util.List;
+import java.util.Random;
+
+/**
+ * 字符串工具类
+ */
+public class StringUtils {
+
+    /**
+     * 将集合对象转换成字符串
+     * @param list
+     * @param <T>
+     * @return
+     */
+    public static <T> String toString(List<T> list) {
+        if (CollectionUtils.isEmpty(list)) {
+            return null;
+        }
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < list.size(); i++) {
+            if (i != 0) {
+                sb.append(Symbol.COMMA);
+            }
+            sb.append(list.get(i));
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 判断字符串是否不为null
+     * @param value
+     * @return
+     */
+    public static boolean isNotEmpty(String value) {
+        if (!isEmpty(value)) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * 判断字符串是否为null
+     * @param value
+     * @return
+     */
+    public static boolean isEmpty(String value) {
+        if (value == null || value.length() == 0) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * 生成指定位数的随机字符串
+     * @param num 需要的位数
+     * @return
+     */
+    public static String generateRandomString(int num) {
+        String str="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+        Random random = new Random();
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < num; i++) {
+            int number = random.nextInt(62);
+            sb.append(str.charAt(number));
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 生成指定位数的随机数字
+     * @param num 需要的位数
+     * @return
+     */
+    public static String generateRandomNumber(int num) {
+        String str = "0123456789";
+        Random random = new Random();
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < num; i++) {
+            int number = random.nextInt(10);
+            sb.append(str.charAt(number));
+        }
+        return sb.toString();
+    }
+
+}