新增查询加密后的明文信息接口，新增加密视频会议相关信息方法

ruoyi-system/src/main/java/com/ruoyi/system/domain/entity/shortmessage/EncryptendInfo.java

@@ -0,0 +1,31 @@
+package com.ruoyi.system.domain.entity.shortmessage;
+
+import java.util.Date;
+import javax.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString
+@Table(name = "encryptend_info")
+public class EncryptendInfo {
+    /**
+     * 主键
+     */
+    @Id
+    private String uid;
+
+    /**
+     * 加密后的内容
+     */
+    @Column(name = "encrypted_content")
+    private String encryptedContent;
+
+    /**
+     * 创建时间
+     */
+    @Column(name = "create_time")
+    private Date createTime;
+}

ruoyi-system/src/main/java/com/ruoyi/system/mapper/shortmessage/EncryptendInfoMapper.java

@@ -0,0 +1,7 @@
+package com.ruoyi.system.mapper.shortmessage;
+
+import com.ruoyi.system.domain.entity.shortmessage.EncryptendInfo;
+import tk.mybatis.mapper.common.Mapper;
+
+public interface EncryptendInfoMapper extends Mapper<EncryptendInfo> {
+}