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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Title</title>
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</head>
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<style>
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.file-box {
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position: relative;
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display: inline-block;
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}
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.file-box img {
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width: 50px;
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height: 50px;
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border-radius: 50%;
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top: -30px;
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left: 0;
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display: inline-block;
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border: none;
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}
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.file-box .txt,.file-box .file {
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width: 70px;
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height: 36px;
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top: -20px;
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left: 100px;
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text-align: center;
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}
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</style>
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<body>
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<div class="file-box">
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<img id="preview" />
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<input type="text" id="imgfield" class="txt" placeholder="预览">
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<input type="file" name="file" id = "input_file" accept="image/gif,image/jpeg,image/jpg,image/png,image/svg" onchange="imgPreview(this)" >
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</div>
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<script type="text/javascript" src="js/jquery.min.js">
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$(document).ready(function () {
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})
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function imgPreview(fileDom) {
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alert(1)
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//判断是否支持FileReader
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if(window.FileReader) {
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var reader = new FileReader();
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} else {
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alert("您的设备不支持图片预览功能，如需该功能请升级您的设备！");
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}
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//获取文件
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var file = fileDom.files[0];
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var imageType = /^image\//;
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//是否是图片
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if(!imageType.test(file.type)) {
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alert("请选择图片！");
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return;
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}
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//读取完成
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reader.onload = function(e) {
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alert(e)
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//获取图片dom
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var img = document.getElementById("preview");
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//图片路径设置为读取的图片
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img.src = e.target.result;
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var formData = new FormData();
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formData.append('file', $('#input_file')[0].files[0]); //添加图片信息的参数
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formData.append('sizeid',123); //添加其他参数
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$.ajax({
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url: '/material/uploadFile',
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type: 'POST',
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cache: false, //上传文件不需要缓存
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data: formData,
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processData: false, // 告诉jQuery不要去处理发送的数据
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contentType: false, // 告诉jQuery不要去设置Content-Type请求头
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success: function (data) {
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var rs = eval("("+data+")");
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if(rs.state==1){
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tipTopShow('上传成功！');
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}else{
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tipTopShow(rs.msg);
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}
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},
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error: function (data) {
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tipTopShow("上传失败");
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}
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})
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};
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reader.readAsDataURL(file);
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}
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</script>
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</body>
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</html> |
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\ No newline at end of file |
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