系统设置语言

src/main/java/com/fdkankan/ucenter/entity/UcenterSystem.java

@@ -1,5 +1,6 @@
 package com.fdkankan.ucenter.entity;
 
+import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
@@ -20,7 +21,7 @@ import lombok.Setter;
  */
 @Getter
 @Setter
-@TableName("t_ucenter_system")
+@TableName(value = "t_ucenter_system",autoResultMap = true)
 public class UcenterSystem implements Serializable {
 
     private static final long serialVersionUID = 1L;
@@ -31,8 +32,7 @@ public class UcenterSystem implements Serializable {
     @TableField("lang")
     private String lang;
 
-    @TableField("content")
-    private String content;
+    private JSONObject content;
 
     @TableField("rec_status")
     @TableLogic

src/main/java/com/fdkankan/ucenter/typehandle/JsonObjTypeHandler.java

@@ -0,0 +1,54 @@
+package com.fdkankan.ucenter.typehandle;
+
+import com.alibaba.fastjson.JSONObject;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.ibatis.type.BaseTypeHandler;
+import org.apache.ibatis.type.JdbcType;
+import org.apache.ibatis.type.MappedJdbcTypes;
+import org.apache.ibatis.type.MappedTypes;
+
+import java.sql.CallableStatement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+/**
+ *  存储到数据库, 将JSON数组对象转换成字符串;
+ *  从数据库获取数据, 将字符串转为JSON数组对象.
+ */
+@MappedTypes({JSONObject.class})
+@MappedJdbcTypes({JdbcType.VARCHAR})
+public class JsonObjTypeHandler extends BaseTypeHandler<JSONObject> {
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i, JSONObject parameter,
+                                    JdbcType jdbcType) throws SQLException {
+        ps.setString(i, JSONObject.toJSONString(parameter));
+    }
+    @Override
+    public JSONObject getNullableResult(ResultSet rs, String columnName)
+            throws SQLException {
+        return JSONObject.parseObject(rs.getString(columnName));
+    }
+    @Override
+    public JSONObject getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        return parseArray(rs.getString(columnIndex));
+    }
+    @Override
+    public JSONObject getNullableResult(CallableStatement cs, int columnIndex)
+            throws SQLException {
+        return parseArray(cs.getString(columnIndex));
+    }
+
+    public static JSONObject parseArray(String content) {
+        if(StringUtils.isBlank(content)){
+            return new JSONObject();
+        }
+        try {
+            return JSONObject.parseObject(content);
+        } catch (Exception e) {
+            return new JSONObject();
+        }
+    }
+
+}
+