导出excel全局方法

src/utils/curd.js

@@ -1,13 +1,11 @@
-/**
-Created by hedekun
-20180727
- */
+import { ExcelDownLoad } from '@/utils/request'
+
 import { type } from './tool' // type判断传入值的类型，比typeof更详细
 export default {
   install(Vue) {
-    Vue.prototype.exportExcel_NPOI = function(url, type, name, data) {
-      console.log(url, type, name, data, 1111111111)
-      // this.download(`${url}?param=${data}`)
+    Vue.prototype.exportExcel_NPOI = function(param) {
+      console.log(ExcelDownLoad, param, 1111111111)
+      download(`${ExcelDownLoad}?param=${param}`)
     }
     Vue.prototype.CreateData = function(type, name, data, pageSize, pageList) {
       var paramStr = ''
@@ -272,40 +270,39 @@ export default {
     }
   }
 }
+function download(url) {
+  getBlob(url, function(blob, filename) {
+    saveAs(blob, filename)
+  })
+}
+// function decodeUtf8(bytes) { var encoded = ''; for (var i = 0; i < bytes.length; i++) { encoded += '%' + bytes[i].toString(16) } return decodeURIComponent(encoded) }
+function getBlob(url, cb) {
+  var xhr = new XMLHttpRequest()
+  xhr.open('GET', url, true)
+  xhr.responseType = 'blob'
+  xhr.onload = function() {
+    if (xhr.status === 200) {
+      const name = xhr.getResponseHeader('content-disposition').split('=')[1]
+      var filename1 = decodeURIComponent(name)
+      cb(xhr.response, filename1)
+    }
+  }
+  xhr.send()
+}
 
-// function download(url) {
-//   getBlob(url, function(blob, filename) {
-//     var filename1 = decodeURIComponent(filename)
-//     saveAs(blob, filename1)
-//   })
-// }
-//
-// function decodeUtf8(bytes) { var encoded = ""; for (var i = 0; i < bytes.length; i++) { encoded += '%' + bytes[i].toString(16); } return decodeURIComponent(encoded); }
-//
-// function getBlob(url, cb) {
-//   var xhr = new XMLHttpRequest()
-//   xhr.open('GET', url, true)
-//   xhr.responseType = 'blob'
-//   xhr.onload = function() {
-//     if (xhr.status === 200) {
-//       var name = decodeUtf8(xhr.getResponseHeader('content-disposition').split('=')[1])
-//     }
-//   }
-//   xhr.send()
-// }
-//
-// function saveAs(blob, filename = '下载文件.xls') {
-//   if (window.navigator.msSaveOrOpenBlob) {
-//     navigator.msSaveBlob(blob, filename)
-//   } else {
-//     var link = document.createElement('a')
-//     var body = document.querySelector('body')
-//     link.href = window.URL.createObjectURL(blob)
-//     link.download = filename
-//     link.style.display = 'none'
-//     body.appendChild(link)
-//     link.click()
-//     body.removeChild(link)
-//     window.URL.revokeObjectURL(link.href)
-//   }
-// }
+function saveAs(blob, filename = '下载文件.xls') {
+  if (window.navigator.msSaveOrOpenBlob) {
+    navigator.msSaveBlob(blob, filename)
+  } else {
+    var link = document.createElement('a')
+    var body = document.querySelector('body')
+    link.href = window.URL.createObjectURL(blob)
+    link.download = filename
+    // fix Firefox
+    link.style.display = 'none'
+    body.appendChild(link)
+    link.click()
+    body.removeChild(link)
+    window.URL.revokeObjectURL(link.href)
+  }
+}