qingban-SPC/src/components/ReportView/index.vue

<template>
  <div class="bgColor" v-if="modelValue" @click.stop="close">
    <div class="body">
      <div class="header">
        <div class="text">报告预览</div>
        <div class="delete">
          <el-button
            style="margin-right: 10px"
            type="primary"
            size="small"
            class="btn"
            v-print="'#print'"
            >打印</el-button
          >
          <span style="padding: 20px" @click="close">X</span>
        </div>
      </div>
      <div class="box">
        <el-scrollbar>
          <div id="print">
            <div class="tableInfo">
              <div class="title" style="text-align: center">质量日报</div>
              <div class="info">
                <div class="text">产品批次：</div>
                <div class="text">产品型号：</div>
                <div class="text">报告日期：2024年04月23日</div>
              </div>

              <table>
                <thead>
                  <tr>
                    <th>Name</th>
                    <th>Age</th>
                    <th>Country</th>
                    <th>Country</th>
                    <th>Country</th>
                  </tr>
                </thead>
                <tbody>
                  <tr v-for="item in 30">
                    <td>John Doe</td>
                    <td>30</td>
                    <td>USA</td>
                    <td>Canada</td>
                    <td>Canada</td>
                  </tr>
                  <tr>
                    <td>Jane Smith</td>
                    <td>25</td>
                    <td>Canada</td>
                    <td>Canada</td>
                    <td>Canada</td>
                  </tr>
                  <tr>
                    <td>Maria Garcia</td>
                    <td>35</td>
                    <td>Spain</td>
                    <td>Canada</td>
                    <td>Canada</td>
                  </tr>
                </tbody>
              </table>
            </div>
          </div>
        </el-scrollbar>
      </div>
    </div>
  </div>
</template>

<script setup>
const props = defineProps({
  modelValue: {
    type: [Boolean],
  },
});
const emits = defineEmits(["update:modelValue"]);
const close = () => {
  emits("update:modelValue", false);
};
// import html2canvas from "html2canvas";

// const downloadPNG = async () => {
//   try {
//     const canvas = await html2canvas(document.getElementById("print"));
//     const imgData = canvas.toDataURL("image/png");
//     const downloadLink = document.createElement("a");
//     downloadLink.href = imgData;
//     downloadLink.download = "download.png";
//     downloadLink.click();
//   } catch (error) {
//     console.error("Error generating PNG:", error);
//   }
// };
</script>

<style lang="scss" scoped>
@media print {
  #print {
    position: absolute; /* 或 absolute, fixed, 根据需要调整 */
    top: 20px; /* 调整顶部位置 */
    margin: 0; /* 重置边距 */
    width: 700px;
  }
}
table {
  width: 100%;
  border-collapse: collapse; /* 合并表格边框 */
}
th,
td {
  border: 1px solid rgba(0, 0, 0, 0.3); /* 设置所有单元格的边框 */
  padding: 8px;
  text-align: left;
}
th {
  background-color: #f2f2f2; /* 设置表头的背景颜色 */
}

.bgColor {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  background-color: rgba(0, 0, 0, 0.3);
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  left: 0;
  .body {
    width: 800px;
    height: 85vh;
    background-color: white;
    display: flex;
    flex-direction: column;
    padding: 20px;
    .header {
      width: 100%;
      height: 40px;
      display: flex;
      padding-bottom: 10px;
      justify-content: space-between;
      border-bottom: 1px solid rgba(0, 0, 0, 0.3);
    }
    .box {
      height: calc(100% - 40px);
    }
  }
}
.tableInfo {
  width: 100%;
  height: 60px;

  .title {
    margin: 10px 0;
    font-size: 20px;
    font-weight: 600;
  }
  .info {
    display: flex;
    padding: 0 20px;
    justify-content: space-between;
  }
}
</style>