我正在尝试在 laravel 中使用 ajax 方法下载一个 excel 文件。
Controller 功能:
$myFile = Excel::create($name, function ($excel) use ($export) {
$excel->sheet('Data', function ($sheet) use ($export) {
$sheet->fromArray($export);
$sheet->cells('A1:N1', function ($cells) {
$cells->setBackground('#dbdbdb');
$cells->setFontColor('#000000');
$cells->setFontWeight('bold');
$cells->setFont(array(
'family' => 'Calibri',
'size' => '9',
));
});
$sheet->setStyle(array(
'font' => array(
'name' => 'Calibri',
'size' => 9,
),
));
});
});
$myFile = $myFile->string('xlsx');
$response = array(
'name' => $name,
'file' => "data:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;base64," . base64_encode($myFile),
);
return response()->json($response);
Ajax 功能:
$(document).on('click', '.ExportJobs', function() {
$.ajaxSetup({
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});
var ids = [];
$(".InvoiceCheckBox:checked").each(function(e) {
ids.push(this.value);
});
data = {
"ids": ids,
};
$.ajax({
method: "POST",
url: "/exportNew",
data: data,
success: function(response) {
var a = document.createElement("a");
a.href = response.file;
a.download = response.name;
document.body.appendChild(a);
a.click();
a.remove();
}
});
});
但是,如果我从
xlsx
更改字符串值,则使用上述 Controller 方法不会返回 excel 格式的文件至csv
然后 csv
正在下载格式化的文件。我们如何使下载的excel格式文件?任何建议,请!
最佳答案
我知道这已经很晚了,但是为其他像我一样遇到同样问题的人发帖
我还需要使用 ajax post call 从 Maatwebsite excel 库中下载 excel。
<button onclick="downloadExcel()" id="btn-download-payroll" class="btn btn-dark-success btn-md" style="transform: translateY(50%); top: 50%; font-size: 13px;"><i aria-hidden="true" class="fa fa-cog mr-10"></i>
Download
</button>
使用以下 js 代码发布 ajax 请求
function downloadExcel() {
var salaryMonth = $("#dp-salary-month").datepicker("getDate");
var department = $("#cbox-department");
var month = new Date(salaryMonth).getMonth() + 1;
var year = new Date(salaryMonth).getFullYear();
$.ajax({
xhrFields: {
responseType: 'blob',
},
type: 'POST',
url: '/downloadPayroll',
data: {
salaryMonth: month,
salaryYear: year,
is_employee_salary: 1,
department: department.val()
},
success: function(result, status, xhr) {
var disposition = xhr.getResponseHeader('content-disposition');
var matches = /"([^"]*)"/.exec(disposition);
var filename = (matches != null && matches[1] ? matches[1] : 'salary.xlsx');
// The actual download
var blob = new Blob([result], {
type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'
});
var link = document.createElement('a');
link.href = window.URL.createObjectURL(blob);
link.download = filename;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
});
}
在 路线/web.php 文件为我的 Controller 设置路由
Route::post('/downloadPayroll', 'Payroll\\Process\\PayrollController@downloadPayroll');
这里我用了 maat网站/excel 使用 生成 excel 文件的库发件人查询 方法,但由于库更新 Excel::create 已被 中的 Excel::download 替换“maatwebsite/excel”:“^3.1”我在我的情况下使用了下载方法,这是我的 HelperClass 根据我的要求生成记录
PayrollHelper.php
namespace App\Http\Helpers;
use App\PayrollEmployee;
use Maatwebsite\Excel\Concerns\FromQuery;
use Maatwebsite\Excel\Concerns\Exportable;
class PayrollHelper implements FromQuery
{
use Exportable;
public function forDepartment(int $department)
{
$this->department = $department;
return $this;
}
public function forMonth(string $month)
{
$this->month = $month;
return $this;
}
public function query()
{
// get the salary information for the given month and given department
return PayrollEmployee::query()->where(['salary_month' => $this->month,'department_id'=>$this->department]);
}
}
终于在我的 Controller 中
class PayrollController extends Controller
{
public function downloadPayroll(Request $request)
{
$file_name = '';
try {
$requestData = $request->all();
$salary_month = $requestData['salaryMonth'];
$salary_year = $requestData['salaryYear'];
$department = $requestData['department'];
$is_employee_salary = boolval($requestData['is_employee_salary']);
$month = Carbon::createFromDate($salary_year, $salary_month);
$month_start = Carbon::parse($month)->startOfMonth();
$formated_month = Carbon::parse($month)->format('F Y');
$file_name = 'Employee_salary_' . $formated_month . '.xlsx';
// to download directly need to return file
return Excel::download((new PayrollHelper)->forMonth($month_start)->forDepartment($department), $file_name, null, [\Maatwebsite\Excel\Excel::XLSX]);
} catch (exception $e) {
}
}
}
创建excel文件后返回文件获取为ajax 以 Blob 形式响应
就这样
关于ajax - 在 laravel 中使用 ajax 下载 maatwebsite excel,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46298489/