fix: 修复单页 pdf 无法点击本人已阅读按钮

src/views/ebiz/sale/readDocuments.vue

@@ -14,6 +14,7 @@
     </van-notice-bar>
     <div id="pdf" style="overflow: scroll;background: #eee;" :style="[{height:isPreview ? '100vh' : '75vh'}]" @scroll="handleScroll">
       <div id="pdfH5ID"></div>
+	    <div ref="activeButtonEle"></div>
       <!-- 银保渠道右侧标注提示 -->
       <div v-if='branchType == "14" && !isScrollToBottom' class='scroll-tip'>
         请下滑至底部完成阅读
@@ -71,7 +72,8 @@
         branchType: '',
         // 银保渠道滚动检测相关
         isScrollToBottom: false,
-        scrollTimer: null
+        scrollTimer: null,
+	      pdfStatus: void 0
       }
     },
     components: {
@@ -368,7 +370,8 @@
           pdfurl:  thispdfurl,
           lazy:false,
           scale:1
-        }).on("complete", function (status, msg, time) { //监听完成事件
+        }).on("complete",  (status, msg, time)=> { //监听完成事件
+					this.pdfStatus = status
           console.log("状态：" + status + "，信息：" + msg + "，耗时：" + time + "毫秒，总页数：" + this.totalNum)
         })
       },
@@ -484,6 +487,15 @@
             that.isDisabledComplite = true
           }
         }
+      },
+	    pdfStatus() {
+		    const observer = new IntersectionObserver(entries => {
+			    entries.forEach(entry => {
+				    if (entry.isIntersecting) this.isScrollToBottom = true
+				    observer.unobserve(entry.target)
+			    })
+		    })
+		    observer.observe(this.$refs.activeButtonEle)
 	    }
     }
   }