JavaScript多文件上传及图片预览
2015-07-11 本文已影响131人
JetLu
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多文件上传:
var xhr = new XMLHttpRequest, fd = new FormData, i = 0; //files: $('input[type=file]')[0].files for (; i < files.length; i++) { fd.append('files[]', files[i]); } xhr.open('POST', '···.php'); xhr.onreadystatechange = function() { if (this.status == 200 && this.readyState == 4) { console.log(this.responseText) } } xhr.send(fd);
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上传图片预览:
//file: $('input[type=file]') file.on('change', function() { var reader = new FileReader; reader.onload = function(e) { img.src = this.result; } reader.readAsDataURL(this.files[0]); })
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