统计菜单导出与打印

src/api/liswork/xtwh/StatsparameterApi.ts

@@ -67,7 +67,8 @@ export function printTemplate(params: any) {
   return request({
     url: '/stats/print',
     method: 'post',
-    data: params
+    data: params,
+    responseType: 'blob'
   })
 }
 // 导出excel
@@ -75,7 +76,8 @@ export function exportTemplate(params: any) {
   return request({
     url: '/stats/exportExcel',
     method: 'post',
-    data: params
+    data: params,
+    responseType: 'blob'
   })
 }
 

src/views/statisticalAnalysis/report/index.vue

@@ -299,24 +299,65 @@ const getPrintFooterText = (col, idx) => {
 
 // 打印
 const print = () => {
-  originalColumn.value.forEach(item => {
-    const matchTabCol = tableColumns.value.find(col => col.prop == item.paramCode)
-    if (matchTabCol) {
-      item.paramSequence = matchTabCol.paramSequence
-    } else {
-      item.paramSequence = 0
-    }
+  // 不直接改 originalColumn，拷贝一份，避免影响导出等其他功能
+  const printColumns = originalColumn.value.map(item => {
+    const matchTabCol = tableColumns.value.find(col => col.prop === item.paramCode)
+    return { ...item, paramSequence: matchTabCol ? matchTabCol.paramSequence : 0 }
   })
+
   const data = {
     Parameter: Parameter.value,
-    Column: originalColumn.value,
+    Column: printColumns,
     Template: Template.value
-  };
+  }
+
   printTemplate(data).then(res => {
-    classCom.printBase64PDF(res.data)
+    // 后端错误 JSON 判断，避免静默失败
+    if (res instanceof Blob && res.type.includes('application/json')) {
+      const reader = new FileReader()
+      reader.onload = e => {
+        const err = JSON.parse(e.target.result)
+        ElMessage.error(err.msg || '打印失败')
+      }
+      reader.readAsText(res)
+      return
+    }
+
+    const blob = new Blob([res], { type: 'application/pdf' })
+    const pdfUrl = URL.createObjectURL(blob)
+
+    // 不要 display:none，Chrome 对隐藏 iframe 的 PDF 打印有兼容问题；移出屏幕即可
+    const iframe = document.createElement('iframe')
+    iframe.style.position = 'fixed'
+    iframe.style.right = '0'
+    iframe.style.bottom = '0'
+    iframe.style.width = '0'
+    iframe.style.height = '0'
+    iframe.style.border = '0'
+    iframe.src = pdfUrl
+    document.body.appendChild(iframe)
+
+    iframe.onload = () => {
+      // 等 PDF 渲染完再打印，避免空白页
+      setTimeout(() => {
+        const win = iframe.contentWindow
+        if (win) {
+          win.focus()
+          win.print() // Chrome/Firefox 阻塞到打印对话框关闭
+        }
+        // print() 阻塞时，这里在对话框关闭后才执行；留 2s 缓冲再清理
+        setTimeout(() => {
+          URL.revokeObjectURL(pdfUrl)
+          iframe.remove()
+        }, 2000)
+      }, 300)
+    }
+  }).catch(() => {
+    ElMessage.error('打印失败')
   })
 }
 
+
 const exportHandle = () => {
   originalColumn.value.forEach(item => {
     const matchTabCol = tableColumns.value.find(col => col.prop == item.paramCode)
@@ -332,7 +373,16 @@ const exportHandle = () => {
     Template: Template.value
   };
   exportTemplate(data).then(res => {
-    classCom.printBase64PDF(res.data, 'excel', '统计报表')
+    //classCom.printBase64PDF(res.data, 'excel', '统计报表')
+    // 若依拦截器对 blob 直接透传，res 就是 Blob
+    const blob = new Blob([res], {
+      type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
+    })
+    const link = document.createElement('a')
+    link.href = URL.createObjectURL(blob)
+    link.download = '导出_' + new Date().getTime() + '.xlsx'
+    link.click()
+    URL.revokeObjectURL(link.href) // 释放内存
   })
 }