From 7d7744fe006714f6be0341d03d4de9b1e90d775d Mon Sep 17 00:00:00 2001
From: zhongshujie <2862698242@qq.com>
Date: 星期五, 23 五月 2025 22:45:09 +0800
Subject: [PATCH] 5.23 婴幼儿游戏活动实施(wb)

---
 src/components/pdfview/index.vue |  252 ++++++++++++++++++++++++++++---------------------
 1 files changed, 144 insertions(+), 108 deletions(-)

diff --git a/src/components/pdfview/index.vue b/src/components/pdfview/index.vue
index 17669cd..a712e0f 100644
--- a/src/components/pdfview/index.vue
+++ b/src/components/pdfview/index.vue
@@ -1,25 +1,33 @@
+<!-- @format -->
 <template>
-  <div class="preview" v-if="this.preViewMd5">
-    <div id="imageParent" class="imageBox"></div>
-    <div class="bottom_tool">
-      <!-- <svg
-        t="1718330411310"
-        @click="downloadPdf"
-        class="icon"
-        viewBox="0 0 1024 1024"
-        version="1.1"
-        xmlns="http://www.w3.org/2000/svg"
-        p-id="7121"
-        width="20"
-        height="20"
-      >
-        <path
-          d="M1022.955204 522.570753c0 100.19191-81.516572 181.698249-181.718715 181.698249l-185.637977 0c-11.2973 0-20.466124-9.168824-20.466124-20.466124 0-11.307533 9.168824-20.466124 20.466124-20.466124l185.637977 0c77.628008 0 140.786467-63.148226 140.786467-140.766001 0-77.423347-62.841234-140.448776-140.203182-140.766001-0.419556 0.030699-0.818645 0.051165-1.217734 0.061398-5.945409 0.143263-11.686157-2.292206-15.687284-6.702656-4.001127-4.400217-5.894244-10.335393-5.167696-16.250102 1.330298-10.806113 1.944282-19.760043 1.944282-28.192086 0-60.763922-23.658839-117.884874-66.617234-160.833035-42.968627-42.968627-100.089579-66.617234-160.843268-66.617234-47.368844 0-92.742241 14.449084-131.208321 41.781592-37.616736 26.738991-65.952084 63.700811-81.925894 106.884332-2.425236 6.538927-8.012488 11.399631-14.827707 12.893658-6.815219 1.483794-13.927197-0.603751-18.859533-5.54632-19.289322-19.330254-44.943608-29.972639-72.245418-29.972639-56.322773 0-102.146425 45.813419-102.146425 102.125959 0 0.317225 0.040932 0.982374 0.092098 1.627057 0.061398 0.920976 0.122797 1.831718 0.153496 2.762927 0.337691 9.465582-5.863545 17.928325-15.001669 20.455891-32.356942 8.933463-61.541635 28.550243-82.181721 55.217602-21.305235 27.516704-32.571836 60.508096-32.571836 95.41307 0 86.244246 70.188572 156.422585 156.443052 156.422585l169.981393 0c11.2973 0 20.466124 9.15859 20.466124 20.466124 0 11.2973-9.168824 20.466124-20.466124 20.466124l-169.981393 0c-108.828614 0-197.3753-88.536452-197.3753-197.354833 0-44.053332 14.223956-85.712127 41.126676-120.473839 22.809495-29.460985 53.897537-52.086285 88.710414-64.816215 5.065366-74.322729 67.149353-133.2447 142.751215-133.2447 28.386514 0 55.504128 8.217149 78.651314 23.52581 19.657712-39.868009 48.842405-74.169233 85.497233-100.212376 45.434795-32.295544 99.004875-49.354058 154.918325-49.354058 71.692832 0 139.087778 27.915793 189.782368 78.600149 50.694589 50.694589 78.610382 118.089535 78.610382 189.782368 0 3.704368-0.102331 7.470135-0.296759 11.368932C952.633602 352.568894 1022.955204 429.511287 1022.955204 522.570753zM629.258611 820.711014l-102.023628 102.013395c-3.990894 4.001127-9.230222 5.996574-14.46955 5.996574s-10.478655-1.995447-14.46955-5.996574l-102.023628-102.013395c-7.992021-7.992021-7.992021-20.947078 0-28.939099s20.947078-8.002254 28.939099 0l67.087954 67.077721 0-358.699522c0-11.2973 9.15859-20.466124 20.466124-20.466124 11.307533 0 20.466124 9.168824 20.466124 20.466124l0 358.699522 67.087954-67.077721c7.992021-8.002254 20.947078-7.992021 28.939099 0S637.250632 812.718993 629.258611 820.711014z"
-          p-id="7122"
-        ></path>
-      </svg> -->
+  <el-dialog
+    :visible.sync="localDialogVisible"
+    @open="hadleOpenDialog"
+    width="60vw"
+    top="2vh"
+    append-to-body
+    lock-scroll
+    :show-close="false"
+    class="custom-dialog"
+  >
+    <div slot="title" class="header_title">
+      <span>{{ pdfTitle }}</span>
+      <span @click="closeDialog"> x </span>
     </div>
-  </div>
+    <div class="pdfModal" v-if="localDialogVisible">
+      <!-- 鍘熸湁鐨勫唴瀹� -->
+      <div class="pdfBox-component">
+        <div class="preview" v-if="this.preViewMd5">
+          <div id="imageParent" class="imageBox"></div>
+          <div class="bottom_tool"></div>
+        </div>
+        <div class="notBox" v-if="totalPage == 0 && !loading">
+          <el-empty description="鏆傛棤鏁版嵁"></el-empty>
+        </div>
+        <div class="notBox" v-if="loading" v-loading="loading"></div>
+      </div>
+    </div>
+  </el-dialog>
 </template>
 <script>
 import Viewer from "viewerjs";
@@ -38,68 +46,104 @@
       type: Boolean,
       default: false,
     },
+    pdfTitle: {
+      type: String,
+    },
   },
   data() {
     return {
+      localDialogVisible: false,
       currentPageSrc: "",
       currentPage: 1,
       totalPage: 1,
       viewerCon: null,
       preViewMd5: "",
+      loading: false,
     };
   },
   watch: {
-    isClear: {
-      immediate: true,
-      handler(val) {
-        if (val == true) this.preViewMd5 = "";
-      },
-    },
-    md5: {
-      immediate: true,
-      handler(val) {
-        if (val) {
-          this.preViewMd5 = val;
-          this.currentPage = 1;
-          this.currentPageSrc = "";
-          this.totalPage = 1;
-          this.viewerCon?.destroy();
-        }
-      },
-    },
-  },
-  mounted() {
-    this.scrollBottom();
-    this.clearDom();
-    this.getFileInfo();
+    // md5: {
+    //   immediate: true,
+    //   handler(val) {
+    //     if (val) {
+    //       // this.preViewMd5 = val
+    //       this.currentPage = 1
+    //       this.currentPageSrc = ''
+    //       this.totalPage = 1
+    //       this.viewerCon?.destroy()
+    //     }
+    //   },
+    // },
+    // dialogVisibleProp(newVal) {
+    //   this.localDialogVisible = newVal;
+    //   if (newVal) {
+    //     this.currentPage = 1;
+    //     this.loading = true;
+    //     this.clearDom();
+    //     this.getFileInfo();
+    //     this.$nextTick(() => {
+    //       this.scrollBottom()
+    //     });
+    //   } else {
+    //     this.viewerCon?.destroy();
+    //   }
+    // },
   },
   methods: {
+    hadleOpenDialog() {
+      this.preViewMd5 = this.md5;
+      this.currentPage = 1;
+      this.currentPageSrc = "";
+      this.totalPage = 1;
+      this.viewerCon?.destroy();
+      this.loading = true;
+      this.clearDom();
+      this.getFileInfo();
+      this.$nextTick(() => {
+        this.scrollBottom();
+      });
+    },
+    closeDialog() {
+      this.localDialogVisible = false;
+    },
+    openDialog() {
+      this.localDialogVisible = true;
+    },
     async downloadPdf() {
+      console.log(await getResourcePath(this.preViewMd5), "12345");
+
       window.open(await getResourcePath(this.preViewMd5));
     },
     domViewer() {
-      let ele = (this.container ? this.container : document).getElementById(
-        "imageParent"
-      );
-      this.viewerCon = new Viewer(ele, {
-        inline: false,
-        container: this.container
-          ? this.container.querySelector("#app")
-          : "body",
-        navbar: true, // 鏄剧ず瀵艰埅鏍�
-        toolbar: true, // 鏄剧ず宸ュ叿鏍�
-        title: true, // 鏄剧ず鏍囬
-      });
+      // let ele = (this.container ? this.container : document).getElementById(
+      //   'imageParent'
+      // )
+      let ele = document.getElementById("imageParent");
+      if (ele) {
+        this.viewerCon = new Viewer(ele, {
+          inline: false,
+          container: this.container
+            ? this.container.querySelector("#app")
+            : "body",
+          navbar: true, // 鏄剧ず瀵艰埅鏍�
+          toolbar: true, // 鏄剧ず宸ュ叿鏍�
+          title: true, // 鏄剧ず鏍囬
+        });
+      }
     },
     clearDom() {
       let ele = document.getElementById("imageParent");
-      ele.innerHtml = "";
+      if (ele) {
+        ele.innerHTML = "";
+      }
     },
     createDom(page) {
       var that = this;
       let ele = document.getElementById("imageParent");
       const img = document.createElement("img");
       img.src = this.getPageImage(page);
+      // 鎵嬪姩瑙﹀彂婊氬姩浜嬩欢
+      // ele.dispatchEvent(new Event("scroll"));
       img.alt = "";
       img.style.maxWidth = "90%";
       img.style.padding = "30px 5%";
@@ -108,35 +152,63 @@
         that.viewerCon?.destroy();
         that.domViewer();
       };
-      ele.appendChild(img);
+      if (ele) {
+        ele.appendChild(img);
+      }
     },
+
     scrollBottom() {
-      var that = this;
-      var ele = document.getElementById("imageParent");
-      ele.addEventListener("scroll", function () {
-        // 璁$畻婊氬姩鏉¤窛绂诲簳閮ㄧ殑浣嶇疆
-        const scrollBottom =
-          ele.scrollHeight - ele.scrollTop - ele.clientHeight;
-        if (scrollBottom <= 10) {
-          that.currentPage++;
-          if (that.currentPage <= that.totalPage) {
-            that.createDom(that.currentPage, ele);
+      const ele = document.getElementById("imageParent");
+      if (ele) {
+        let lastScrollTop = 0;
+        ele.addEventListener("scroll", () => {
+          const scrollTop = ele.scrollTop;
+          const scrollBottom = ele.scrollHeight - scrollTop - ele.clientHeight;
+          if (scrollBottom < 10 && scrollTop > lastScrollTop) {
+            console.log(
+              "婊氬姩鍒板簳閮紝褰撳墠椤碉細",
+              this.currentPage,
+              "鎬婚〉鏁帮細",
+              this.totalPage
+            );
+            if (this.currentPage < this.totalPage) {
+              this.currentPage++;
+              if (this.currentPage <= this.totalPage) {
+                this.createDom(this.currentPage, ele);
+              }
+            }
           }
-        }
-      });
+          lastScrollTop = scrollTop;
+        });
+      }
     },
+
     getFileInfo() {
       // 鑾峰彇鐩綍
+      this.loading = true;
       this.MG.file
         .getPdfInfo({ md5: this.preViewMd5 })
         .then((res) => {
-          this.totalPage = res.totalPages;
-          this.createDom(this.currentPage);
+          try {
+            if (typeof res === "string" && res !== null) {
+              this.totalPage = JSON.parse(res).totalPages;
+            } else if (typeof res === "object" && res !== null) {
+              this.totalPage = res.totalPages;
+            }
+          } catch (error) {
+            console.log(error, "pdf杩斿洖鍊肩被鍨嬮敊璇�");
+          }
+          Math.min(3, res.totalPages);
+          for (let i = 0; i <= Math.min(3, res.totalPages); i++) {
+            this.createDom(i + 1);
+          }
+          this.loading = false;
         })
         .catch((err) => {
-          this.totalPage = 1;
+          this.totalPage = 0;
           this.createDom(this.currentPage);
           console.error(err);
+          this.loading = false;
         });
     },
     getPageImage(page) {
@@ -154,39 +226,3 @@
   },
 };
 </script>
-<style scoped lang="less">
-.preview {
-  width: 100%;
-  height: 100%;
-
-  .imageBox {
-    height: calc(100% - 30px);
-    overflow-x: hidden;
-    overflow-y: auto;
-    background: #ccc;
-    box-sizing: border-box;
-  }
-
-  .imageBox:hover {
-    cursor: zoom-in !important;
-  }
-
-  .bottom_tool {
-    height: 30px;
-    background-color: rgba(0, 0, 0, 0.8);
-    display: flex;
-    justify-content: flex-end;
-    align-items: center;
-
-    svg {
-      margin-right: 15px;
-      fill: #d1d1d1;
-    }
-
-    svg:hover {
-      fill: #fff;
-      cursor: pointer;
-    }
-  }
-}
-</style>

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