1.新增首页接口

2.修改数据库时间格式为string，上传重新生成的相关xml和类

src/main/resources/mappers/TrainingMapper.xml

@@ -7,7 +7,7 @@
       This element is automatically generated by MyBatis Generator, do not modify.
       This element was generated on Thu Jun 29 18:43:01 CST 2023.
     -->
-    <id column="training_id" jdbcType="INTEGER" property="trainingId" />
+    <id column="training_id" jdbcType="VARCHAR" property="trainingId" />
     <result column="people_count" jdbcType="INTEGER" property="peopleCount" />
     <result column="start_time" jdbcType="VARCHAR" property="startTime" />
     <result column="end_time" jdbcType="TIMESTAMP" property="endTime" />
@@ -116,7 +116,7 @@
       order by ${orderByClause}
     </if>
   </select>
-  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
+  <select id="selectByPrimaryKey" parameterType="java.lang.String" resultMap="BaseResultMap">
     <!--
       WARNING - @mbg.generated
       This element is automatically generated by MyBatis Generator, do not modify.
@@ -125,7 +125,7 @@
     select
     <include refid="Base_Column_List" />
     from sys_training
-    where training_id = #{trainingId,jdbcType=INTEGER}
+    where training_id = #{trainingId,jdbcType=VARCHAR}
   </select>
   <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
     <!--
@@ -158,10 +158,10 @@
     create_school, training_name, creator_name,
     create_time, update_time, school_id
     )
-    values (#{trainingId,jdbcType=INTEGER}, #{peopleCount,jdbcType=INTEGER}, #{startTime,jdbcType=VARCHAR},
+    values (#{trainingId,jdbcType=VARCHAR}, #{peopleCount,jdbcType=INTEGER}, #{startTime,jdbcType=VARCHAR},
     #{endTime,jdbcType=TIMESTAMP}, #{status,jdbcType=VARCHAR}, #{creatorId,jdbcType=INTEGER},
     #{createSchool,jdbcType=VARCHAR}, #{trainingName,jdbcType=VARCHAR}, #{creatorName,jdbcType=VARCHAR},
-      #{createTime,jdbcType=TIMESTAMP}, #{updateTime,jdbcType=TIMESTAMP}, #{schoolId,jdbcType=INTEGER}
+    #{createTime,jdbcType=TIMESTAMP}, #{updateTime,jdbcType=TIMESTAMP}, #{createSchoolId,jdbcType=INTEGER}
     )
   </insert>
   <insert id="insertSelective" parameterType="com.sztzjy.forex.trading_trading.entity.Training">
@@ -268,7 +268,7 @@
     update sys_training
     <set>
       <if test="record.trainingId != null">
-        training_id = #{record.trainingId,jdbcType=INTEGER},
+        training_id = #{record.trainingId,jdbcType=VARCHAR},
       </if>
       <if test="record.peopleCount != null">
         people_count = #{record.peopleCount,jdbcType=INTEGER},