refactor(train_management): 优化签名展示和签到状态显示逻辑- 在 exam_record.vue 中将签字图片展示方式从 u-image 改为 image 组件

- 在 sign_information.vue 中完善签到状态和考试签到状态的显示逻辑- 更新 BusStagestudentrelationDao.xml 中的排序逻辑，根据状态和创建时间排序

pages/train_management/exam_record.vue

@@ -14,8 +14,8 @@
 
 		<view class="content__sign">
 			<view style="margin-right: 10rpx">签字: </view>
-			<u-image width="120rpx" height="70rpx" model="widthFix" :src="$filePath + info.signaturePath" @click="previewImage" />
-		</view>
+			<image style="width: 120rpx; height: 70rpx;" :src="$filePath + info.signaturePath" />
+    </view>
 
 		<view class="counter">
 			当前试题: <text style="color: orange">{{ current + 1 }}</text>/{{ questionList.length }}
@@ -125,6 +125,7 @@ export default {
 			})
 			this.questionList = resData.pd.questionList
 			this.info = resData.pd
+			console.log(this.info)
 		},
 		handleCalcQuestType(type) {
 			return `(${this.questionTypeMap[type]})`

pages/train_management/sign_information.vue

@@ -10,8 +10,10 @@
       <u-cell title="班级名称" :value="signInfo.className"></u-cell>
       <u-cell title="签到时间" :value="signInfo.studyStartTime"></u-cell>
       <u-cell title="培训地点" :value="signInfo.trainingLocationName"></u-cell>
-      <u-cell title="签到状态" :value="studyStateMap[signInfo.studystate].value"></u-cell>
-      <u-cell title="考试签到" :value="stageexamStateMap[signInfo.stageexamstate].value"></u-cell>
+	  <!-- signInfo.studystate -->
+      <u-cell title="签到状态" :value="studyStateMap[signInfo.studystate] ? studyStateMap[signInfo.studystate].value : ''"></u-cell>
+	  <!--  -->
+      <u-cell title="考试签到" :value="stageexamStateMap[signInfo.stageexamstate] ? stageexamStateMap[signInfo.stageexamstate].value :''"></u-cell>
     </u-cell-group>
 	</view>
 </template>
@@ -29,11 +31,23 @@ export default {
         '0': {
           value: '未签到',
           color: 'tag__red'
+        },
+        '1': {
+          value: '已签到',
+          color: 'tag__green'
+        },
+        '2': {
+          value: '已签到',
+          color: 'tag__green'
         },
 				'3': {
           value: '已签到',
           color: 'tag__green'
-        }
+        },
+        '4': {
+          value: '未签到',
+          color: 'tag__red'
+        },
 			},
       // 考试状态枚举
       stageexamStateMap: {
@@ -45,6 +59,18 @@ export default {
           value: '未签到',
           color: 'tag__red'
         },
+        '2': {
+          value: '已签到',
+          color: 'tag__green'
+        },
+        '3': {
+          value: '已签到',
+          color: 'tag__green'
+        },
+        '4': {
+          value: '未签到',
+          color: 'tag__red'
+        },
         '5': {
           value: '已签到',
           color: 'tag__green'