!212 表格组件新增导出按钮

Merge pull request !212 from lma/cherry-pick-222

report-ui/package.json

@@ -45,7 +45,8 @@
     "vue-ruler-tool": "^1.2.4",
     "vue-superslide": "^0.1.1",
     "vuedraggable": "^2.24.1",
-    "vuex": "^3.6.2"
+    "vuex": "^3.6.2",
+    "xlsx": "^0.18.5"
   },
   "devDependencies": {
     "autoprefixer": "8.5.0",

report-ui/src/views/bigscreenDesigner/designer/tools/configure/texts/widget-table.js

@@ -26,6 +26,14 @@ export const widgetTable = {
         {
           name: '表格设置',
           list: [
+              {
+                type: 'el-switch',
+                label: '显示导出按钮',
+                name: 'showExportButton',
+                required: false,
+                placeholder: '',
+                value: false
+              },
             {
               type: 'el-input-number',
               label: '显示行数',

report-ui/src/views/bigscreenDesigner/designer/widget/texts/widgetTable.vue

@@ -1,6 +1,6 @@
 <template>
   <div :style="styleObj">
-    <superslide v-if="hackReset" :options="options" class="txtScroll-top">
+    <superslide v-if="hackReset" :options="options" class="txtScroll-top" ref="superslide">
       <!--表头-->
       <div class="title">
         <div v-for="(item, index) in header" :key="index"
@@ -27,6 +27,48 @@
         </ul>
       </div>
     </superslide>
+
+    <!-- 添加导出按钮，仅在预览模式显示 -->
+    <div v-if="ispreview && optionsSetUp.showExportButton" class="export-button-container" :style="exportButtonContainerStyle">
+      <div class="export-button" :style="exportButtonStyle" @click="openExportDialog">
+        <span class="button-text">导出</span>
+      </div>
+    </div>
+    
+    <!-- 导出对话框 -->
+    <el-dialog
+      title="导出表格数据"
+      :visible.sync="exportDialogVisible"
+      :width="dialogWidth"
+      :fullscreen="isMobile"
+      :close-on-click-modal="false"
+      center
+      :modal-append-to-body="true"
+      append-to-body
+      :z-index="9999"
+      class="export-dialog">
+      <el-form :model="exportForm" label-width="100px" size="small">
+        <el-form-item label="文件名称">
+          <el-input v-model="exportForm.fileName" placeholder="请输入文件名称" clearable></el-input>
+        </el-form-item>
+        <el-form-item label="导出格式">
+          <el-radio-group v-model="exportForm.format">
+            <el-radio label="excel">Excel格式(.xlsx)</el-radio>
+            <el-radio label="csv">CSV格式(.csv)</el-radio>
+          </el-radio-group>
+        </el-form-item>
+        <el-form-item>
+          <div class="export-info">
+            <p><i class="el-icon-info"></i> 表格名称：数据表</p>
+            <p><i class="el-icon-tickets"></i> 数据总量：{{list.length}}行 {{header.length}}列</p>
+          </div>
+        </el-form-item>
+      </el-form>
+      <span slot="footer" class="dialog-footer">
+        <el-button size="small" @click="exportDialogVisible = false">取 消</el-button>
+        <el-button size="small" type="primary" @click="confirmExport" :loading="exporting">确定导出</el-button>
+      </span>
+    </el-dialog>
   </div>
 </template>
 <script>
@@ -60,6 +102,16 @@ export default {
       optionsPosition: {},
       optionsData: {},
       flagInter: null,
+      // 新增导出对话框相关数据
+      exportDialogVisible: false,
+      exporting: false,
+      exportForm: {
+        fileName: '',
+        format: 'excel'
+      },
+      // 添加设备检测变量
+      isMobile: false,
+      screenWidth: window.innerWidth
     };
   },
   computed: {
@@ -107,6 +159,57 @@ export default {
         "border-color": bodyStyle.borderColor,
         "color": bodyStyle.bodyColor,
       };
+    },
+    // 新增样式计算属性
+    exportButtonStyle() {
+      // 根据表头字体大小动态计算按钮大小
+      const headerFontSize = parseInt(this.optionsSetUp.fontSizeHeader || 16);
+      
+      // 计算图标尺寸，基于表头字体大小
+      const iconSize = Math.max(14, Math.min(24, headerFontSize * 1.1));
+      
+      // 计算按钮高度，略大于图标尺寸
+      const buttonHeight = Math.round(iconSize * 1.8);
+      
+      return {
+        height: `${buttonHeight}px`,
+        padding: '0 12px',
+        fontSize: `${iconSize}px`,
+        backgroundColor: 'rgba(39, 174, 96, 0.9)',
+        borderRadius: '4px',
+        display: 'flex',
+        alignItems: 'center',
+        justifyContent: 'center',
+        boxShadow: '0 2px 12px 0 rgba(0, 0, 0, 0.1)',
+        color: '#ffffff'
+      };
+    },
+    exportButtonContainerStyle() {
+      // 计算按钮容器的位置，使其恰好超出表头几个像素
+      const headerHeight = this.optionsSetUp.rowHeight || 50;
+      // 按钮高度
+      const buttonHeight = parseInt(this.exportButtonStyle.height);
+      // 设置按钮位置
+      return {
+        position: 'absolute',
+        top: `-${buttonHeight + 5}px`, // 按钮高度 + 5px的间距
+        right: '10px',
+        zIndex: '100'
+      };
+    },
+    // 添加对话框宽度计算属性
+    dialogWidth() {
+      if (this.isMobile) {
+        return '100%';
+      } else if (this.screenWidth < 768) {
+        return '90%';
+      } else if (this.screenWidth < 992) {
+        return '80%';
+      } else if (this.screenWidth < 1200) {
+        return '60%';
+      } else {
+        return '420px';
+      }
     }
   },
   watch: {
@@ -126,6 +229,13 @@ export default {
     this.optionsData = this.value.data;
     this.initData();
     targetWidgetLinkageLogic(this); // 联动-目标组件逻辑
+    // 添加窗口大小变化监听
+    this.checkDeviceType();
+    window.addEventListener('resize', this.handleResize);
+  },
+  beforeDestroy() {
+    // 移除窗口大小变化监听
+    window.removeEventListener('resize', this.handleResize);
   },
   methods: {
     initData() {
@@ -230,7 +340,163 @@ export default {
         styleJson["width"] = this.optionsSetUp.dynamicAddTable[index].width;
       }
       return styleJson;
-    }
+    },
+    // 添加的方法 - 设备类型检测
+    checkDeviceType() {
+      this.screenWidth = window.innerWidth;
+      this.isMobile = this.screenWidth <= 576;
+    },
+    
+    // 处理窗口大小变化
+    handleResize() {
+      this.checkDeviceType();
+    },
+    
+    // 打开导出对话框前检查设备类型
+    openExportDialog() {
+      if (!this.list || this.list.length === 0) {
+        this.$message.warning('没有数据可导出');
+        return;
+      }
+      
+      // 重新检查设备类型
+      this.checkDeviceType();
+
+      // 设置默认文件名（表格名称+日期时间）
+      const now = new Date();
+      const dateStr = `${now.getFullYear()}${(now.getMonth()+1).toString().padStart(2,'0')}${now.getDate().toString().padStart(2,'0')}`;
+      const timeStr = `${now.getHours().toString().padStart(2,'0')}${now.getMinutes().toString().padStart(2,'0')}`;
+      
+      // 准备对话框数据
+      this.exportForm.fileName = `表格数据_${dateStr}_${timeStr}`;
+      this.exportForm.format = 'excel'; // 默认选择Excel格式
+      
+      // 显示导出对话框
+      this.exportDialogVisible = true;
+    },
+    
+    // 确认导出方法
+    confirmExport() {
+      // 检查文件名是否为空
+      if (!this.exportForm.fileName || this.exportForm.fileName.trim() === '') {
+        this.$message.warning('请输入文件名');
+        return;
+      }
+      
+      // 设置导出中状态
+      this.exporting = true;
+      
+      // 根据选择的格式执行不同的导出方法
+      try {
+        if (this.exportForm.format === 'excel') {
+          this.doExportExcel();
+        } else {
+          this.doExportCSV();
+          // 只有CSV导出直接在这里显示成功消息和关闭对话框
+          this.$message.success('导出成功');
+          this.exportDialogVisible = false;
+          this.exporting = false;
+        }
+      } catch (error) {
+        console.error('导出失败:', error);
+        this.$message.error('导出失败，请重试');
+        this.exporting = false;
+      }
+    },
+    
+    // 执行Excel导出
+    doExportExcel() {
+      // 引入xlsx库，使用动态导入以减少初始加载时间
+      import('xlsx').then(XLSX => {
+        // 准备数据：表头和内容
+        const tableHeaders = this.header.map(header => header.name);
+        const tableKeys = this.header.map(header => header.key);
+        
+        // 创建表格数据数组，从列表数据映射
+        const tableData = this.list.map(row => {
+          const rowData = {};
+          tableKeys.forEach((key, index) => {
+            rowData[tableHeaders[index]] = row[key];
+          });
+          return rowData;
+        });
+        
+        // 创建工作簿和工作表
+        const wb = XLSX.utils.book_new();
+        const ws = XLSX.utils.json_to_sheet(tableData, { header: tableHeaders });
+        
+        // 计算列宽 - 动态计算合适的列宽
+        ws['!cols'] = tableHeaders.map((header, index) => {
+          // 尝试计算合适的列宽，考虑标题和内容
+          const headerLength = header ? header.toString().length : 0;
+          
+          // 计算该列数据的最大长度
+          let maxLength = headerLength;
+          tableData.forEach(row => {
+            const cellValue = row[header];
+            const cellLength = cellValue ? cellValue.toString().length : 0;
+            maxLength = Math.max(maxLength, cellLength);
+          });
+          
+          // 为确保列宽适合内容，添加一些额外空间
+          return { wch: Math.min(50, maxLength + 2) }; // 限制最大宽度为50个字符
+        });
+        
+        // 添加工作表到工作簿
+        XLSX.utils.book_append_sheet(wb, ws, '数据表');
+        
+        // 导出文件，使用用户指定的文件名
+        XLSX.writeFile(wb, `${this.exportForm.fileName}.xlsx`);
+        
+        // 导出成功
+        this.$message.success('导出成功');
+        this.exportDialogVisible = false;
+        this.exporting = false;
+      }).catch(err => {
+        console.error('导出Excel失败:', err);
+        this.$message.error('导出Excel失败，请重试');
+        this.exporting = false;
+      });
+    },
+    
+    // 执行CSV导出
+    doExportCSV() {
+      // 准备表头和数据
+      const tableHeaders = this.header.map(header => header.name);
+      const tableKeys = this.header.map(header => header.key);
+      
+      // 创建CSV内容
+      let csvContent = '\uFEFF'; // 添加BOM标记以支持中文
+      
+      // 添加表头
+      csvContent += tableHeaders.join(',') + '\r\n';
+      
+      // 添加数据行
+      this.list.forEach(row => {
+        const rowValues = tableKeys.map(key => {
+          const value = row[key] !== undefined && row[key] !== null ? row[key] : '';
+          // 如果值包含逗号、引号或换行符，需要用引号包裹并转义内部引号
+          if (typeof value === 'string' && (value.includes(',') || value.includes('"') || value.includes('\n'))) {
+            return `"${value.replace(/"/g, '""')}"`;
+          }
+          return value;
+        });
+        csvContent += rowValues.join(',') + '\r\n';
+      });
+      
+      // 创建Blob对象
+      const blob = new Blob([csvContent], {
+        type: 'text/csv;charset=utf-8'
+      });
+      
+      // 创建下载链接，使用用户指定的文件名
+      const link = document.createElement('a');
+      link.href = URL.createObjectURL(blob);
+      link.download = `${this.exportForm.fileName}.csv`;
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
+    },
   }
 };
 </script>
@@ -272,11 +538,134 @@ export default {
   flex-wrap: wrap;
 }
 
-/*.txtScroll-top .infoList li:nth-child(n) {
+/* 添加导出按钮样式 */
-  background: rgb(0, 59, 81);
+.export-button-container {
+  position: absolute;
+  right: 0px;
+  z-index: 100;
+
+  .export-button {
+    transition: all 0.3s ease;
+    cursor: pointer;
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+    
+    &:hover {
+      transform: scale(1.05);
+      background-color: rgba(39, 174, 96, 1) !important;
+      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
+    }
+    
+    i {
+      margin-right: 5px;
+    }
+    
+    .button-text {
+      font-size: 14px;
+      font-weight: 500;
+    }
+  }
 }
 
-.txtScroll-top .infoList li:nth-child(2n) {
+/* 添加导出信息样式 */
-  background: rgb(10, 39, 50);
+.export-info {
-}*/
+  background-color: #f5f7fa;
+  border-radius: 4px;
+  padding: 10px 15px;
+  margin-top: 5px;
+  
+  p {
+    margin: 5px 0;
+    font-size: 13px;
+    color: #606266;
+    display: flex;
+    align-items: center;
+    
+    i {
+      margin-right: 5px;
+      color: #409EFF;
+    }
+  }
+}
+
+/* 确保对话框在大屏中显示正常 */
+::v-deep .el-dialog {
+  background-color: #fff;
+  border-radius: 6px;
+  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
+  position: relative;
+  z-index: 9999 !important;
+  
+  .el-dialog__header {
+    padding: 15px 20px;
+    border-bottom: 1px solid #e4e7ed;
+  }
+  
+  .el-dialog__body {
+    padding: 20px;
+  }
+  
+  .el-dialog__footer {
+    padding: 10px 20px 15px;
+    border-top: 1px solid #e4e7ed;
+  }
+  
+  .el-form-item {
+    margin-bottom: 15px;
+  }
+}
+
+/* 为移动设备添加特定样式 */
+::v-deep .export-dialog {
+  @media screen and (max-width: 576px) {
+    display: flex;
+    flex-direction: column;
+    margin: 0 !important;
+    
+    .el-dialog {
+      width: 100% !important;
+      margin: 0 !important;
+      max-width: 100%;
+      border-radius: 0;
+      display: flex;
+      flex-direction: column;
+      height: 100%;
+      
+      .el-dialog__body {
+        flex: 1;
+        overflow-y: auto;
+        padding: 15px;
+      }
+      
+      .el-form-item__label {
+        width: 80px !important;
+      }
+      
+      .el-radio-group {
+        display: flex;
+        flex-direction: column;
+        
+        .el-radio {
+          margin-left: 0;
+          margin-bottom: 10px;
+        }
+      }
+    }
+  }
+  
+  @media screen and (max-width: 768px) {
+    .el-form-item__label {
+      width: 80px !important;
+    }
+    
+    .el-form {
+      .el-radio-group {
+        flex-wrap: wrap;
+      }
+    }
+  }
+}
+
+::v-deep .v-modal {
+  z-index: 9998 !important;
+}
 </style>