msg_packet页面回退问题

src/views/draw/metadata/contrast.vue

 <template>
   <div class="metadata_contrast app-container">
 		<div class=" clearfix">
-			<a><span class="refBtn fr" style="margin: 17px 0px 23px;" @click="$router.go(-1)"><i class="el-icon-back" ></i>	返回</span>	</a>
+			<a><span class="refBtn fr" style="margin: 17px 0px 23px;" @click="backTo"><i class="el-icon-back" ></i>	返回</span>	</a>
 		</div>
 		<el-row :gutter="20">
 			<el-col :span="12">
@@ -51,7 +51,6 @@ export default {
 	mounted() {
 		this.file=JSON.parse(this.$route.query.file);
 		this.pdf=JSON.parse(this.$route.query.pdf);
-		console.log(this.file,this.pdf,'00000000000')
 		this.file.fileName=`${this.domain}${requestPath.file}?fileName=${this.file.fileName}&isOnLine=true`;
 		this.pdf.fileName=`${this.domain}${requestPath.file}?fileName=${this.pdf.fileName}&isOnLine=true`;
 	},
@@ -70,6 +69,9 @@ export default {
 			},1000)
 			//window.location.reload()
 		},
+		backTo(){
+			this.$router.go(-1)
+		}
 	},
 }
 </script>

src/views/draw/metadata/detail.vue

@@ -25,7 +25,7 @@
 						</div>
 						<!-- 图片 -->
 						<div style="width:80%;margin:0 auto;height:800px;text-align:center" v-if="resourceType==2">
-							<img :src="`${this.domain}${requestPath.file}?fileName=${this.pdf.fileName}&isOnLine=true`" alt="" class="pic_show">
+							<img :src="`${domain}${requestPath.file}?fileName=${pdf.fileName}&isOnLine=true`" alt="" class="pic_show" v-if="pdf.fileName">
 						</div>
 						<!-- 图册 -->
 						<div style="width:80%;margin:0 auto;height:800px;text-align:center" v-else-if="resourceType==5">
@@ -638,7 +638,7 @@ export default {
 				name:'',
 				text:''
 			},
-			fileName:"",
+			//fileName:"",
 			fleg:true,//控制无数据的,防止切换从有数据到无数据的控制
 			total:0,
 			list:[],

src/views/draw/sip/msg_packet.vue

@@ -27,7 +27,7 @@
 						</div>
 					</div>
 					<div style="width:80%;margin:0 auto;height:800px;text-align:center" v-if="pdf.resourceType==2||pdf.resourceType==6">
-						<img :src="`${this.domain}${requestPath.file}?fileName=${this.pdf.fileName}&isOnLine=true`" alt="图片" class="pic_show">
+						<img :src="`${domain}${requestPath.file}?fileName=${pdf.fileName}&isOnLine=true`" alt="图片" class="pic_show">
 					</div>
 					<div style="width:80%;margin:0 auto;height:800px" v-else>
 						<iframe :src="`${domain}${pdf.pdfName}`" frameborder="0" width="100%" height="100%"></iframe>
@@ -172,15 +172,19 @@ export default {
 			passVisible:false,
 			domain: process.env.BASE_API,
 			requestPath: requestPath,
+			historyLen:null,
 			isShow:false,
 			activeStatus:0,
 			id:'',
-			pdf:{},
+			pdf:{
+				pdfName:""
+			},
 		}
 	},
 	mounted() {
 		this.id=this.$route.query.id;
 		this.getDetail();
+		this.historyLen=history.length;//解决iframe不稳定问题
 	},
 	computed: {
 		status() {
@@ -275,7 +279,8 @@ export default {
       })
 		},
 		backTo(){
-			this.$router.go(-1)
+			let len=this.historyLen-history.length-1;
+			this.$router.go(len)
 		},
 		refPage(){
 			this.loading=true;