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表格方法一：利用js将上传的表格 转换成json数据（可转换所有的sheet）
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script src="http://oss.sheetjs.com/js-xlsx/xlsx.full.min.js"></script>
</head>
<body>
<input type="file" onchange="sendfile(this)" />
<div id="demo"></div>
<script>
var zzexcel;
function sendfile(obj) {
if(!obj.files) {
return;
}
var f = obj.files[0];
var reader = new FileReader();
reader.readAsBinaryString(f);
reader.onload = function(e) {
var data = e.target.result;
zzexcel = XLSX.read(data, {
type: 'binary'
});
for(var i=0;i<zzexcel.SheetNames.length;i++){
document.getElementById("demo").innerHTML +=zzexcel.SheetNames[i]+"="+JSON.stringify(XLSX.utils.sheet_to_json(zzexcel.Sheets[zzexcel.SheetNames[i]]))+"<br/>";
}
}
}
</script>
</body>
</html>
只操作当页
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <script src="http://oss.sheetjs.com/js-xlsx/xlsx.full.min.js"></script> </head> <body> <input type="file"onchange="importf(this)" /> <div id="demo"></div> <script> /* FileReader共有4种读取方法： 1.readAsArrayBuffer(file)：将文件读取为ArrayBuffer。 2.readAsBinaryString(file)：将文件读取为二进制字符串 3.readAsDataURL(file)：将文件读取为Data URL 4.readAsText(file, [encoding])：将文件读取为文本，encoding缺省值为'UTF-8' */ var wb;//读取完成的数据 var rABS = false; //是否将文件读取为二进制字符串 function importf(obj) {//导入 if(!obj.files) { return; } var f = obj.files[0]; var reader = new FileReader(); reader.onload = function(e) { var data = e.target.result; if(rABS) { wb = XLSX.read(btoa(fixdata(data)), {//手动转化 type: 'base64' }); } else { wb = XLSX.read(data, { type: 'binary' }); } //wb.SheetNames[0]是获取Sheets中第一个Sheet的名字 //wb.Sheets[Sheet名]获取第一个Sheet的数据 document.getElementById("demo").innerHTML= JSON.stringify( XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]]) ); }; if(rABS) { reader.readAsArrayBuffer(f); } else { reader.readAsBinaryString(f); } } function fixdata(data) { //文件流转BinaryString var o = "", l = 0, w = 10240; for(; l < data.byteLength / w; ++l) o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w, l * w + w))); o += String.fromCharCode.apply(null, new Uint8Array(data.slice(l * w))); return o; } </script> </body> </html>
文本上传
<nz-button-group [nzSize]="size" style="padding:20px;display:flex"> <button nz-button (click)="scrollToIndex(200)">下拉</button> <div style="text-align: center;display:inline-block;overflow: hidden;"> <span class=" fileinput-button"> <span nz-button nzType="primary" style="display:inline-block;line-height: 30px">点击上传excel文件</span> <!-- <input type="file" (change)="myUploadexcel($event)"/> --> <input type="file" (change)="readExcel($event)"/> </span> </div> <div style="text-align: center;display:inline-block;overflow: hidden;"> <span class=" fileinput-button"> <span nz-button nzType="primary" style="display:inline-block;line-height: 30px">点击上传txt文件</span> <input type="file" (change)="myUploadtxt($event)"> </span> </div> </nz-button-group> <div class="myitem-one-list"> <st #st [data]="data" [columns]="columns" [page]="page" virtualScroll [scroll]="{ x: '500px', y: '240px' }"></st> </div>
import { Component, OnInit , ViewChild, OnDestroy, AfterViewInit } from '@angular/core';
import { STColumn, STPage, STComponent } from '@delon/abc';
import { Subject } from 'rxjs';
import { takeUntil } from 'rxjs/operators';
import * as XLSX from 'xlsx';
import { NzMessageService, NzNotificationService } from 'ng-zorro-antd';
@Component({
selector: 'app-item-one',
templateUrl: './item-one.component.html',
styleUrls: ['./item-one.component.less']
})
export class ItemOneComponent implements AfterViewInit, OnDestroy {
private mylist;
private destroy$ = new Subject();
@ViewChild('st', { static: false }) st: STComponent;
constructor(private msg:NzMessageService) {}
page: STPage = {
front: false,
show: false,
};
data: any[] = Array(2000)
.fill({})
.map((_item: any, idx: number) => {
return {
id: idx + 1,
mysn: ~~(Math.random() * 100),
};
});
columns: STColumn[] = [
{ title: '编号', index: 'id', width: '150px' },
{ title: '货号', index: 'mysn', width: '250px' }
];
// 上传表格1
myUploadexcel(e){
console.log('excel');
console.log(e);
}
// 上传表格2
// 上传文本1
myUploadtxt(e){
console.log('txt');
console.log(e);
let fileReader = new FileReader();
fileReader.onload=()=>{
console.log(fileReader.result);
this.data=fileReader.result.toString().split(/[\s]+/gm).map((item,idx)=>{
return {
id: idx + 1,
mysn: item,
};
});
}
// fileReader.readAsText(e.target.files[0], 'utf-8')
fileReader.readAsText(e.target.files[0])
}
// 上传文本2
// 上传表格1
readExcel(e) {//表格导入
const files = e.target.files;
console.log(files);
if(files.length<=0){//如果没有文件名
return false;
}else if(!/\.(xls|xlsx)$/.test(files[0].name.toLowerCase())){
this.msg.error('上传格式不正确，请上传xls或者xlsx格式');
return false;
}
const fileReader = new FileReader();
fileReader.onload = (ev:any) => {
try {
const data = ev.target.result;
const workbook = XLSX.read(data, {
type: 'binary'
});
const wsname = workbook.SheetNames[0];//取第一张表
const ws = XLSX.utils.sheet_to_json(workbook.Sheets[wsname]);//生成json表格内容
console.log(ws);
this.mylist = [];//清空接收数据
//编辑数据
for(var i= 0;i<ws.length;i++){
this.mylist.push(ws[i]);
}
// 此时得到的是一个内容是对象的数组需要处理
this.mylist.map((item)=>{
item.
})
console.log(this.mylist)
} catch (e) {
console.log('出错了')
return false;
}
};
fileReader.readAsBinaryString(files[0]);
}
// 上传表格2
scrollToIndex(index: number): void {
this.st.cdkVirtualScrollViewport.scrollToIndex(index);
}
ngAfterViewInit(): void {
this.st.cdkVirtualScrollViewport.scrolledIndexChange.pipe(takeUntil(this.destroy$)).subscribe(data => {
console.log('scroll index to', data);
});
}
ngOnDestroy(): void {
this.destroy$.next();
this.destroy$.complete();
}
}
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