效果图如下所示：
具体代码如下：
<!DOCTYPE html>
<html>
<head>
<meta charset=\"UTF-8\">
<title></title>
<link rel=\"stylesheet\" href=\"http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css\" rel=\"external nofollow\" >
<link rel=\"stylesheet\" href=\"bootstrap-fileinput.css\" rel=\"external nofollow\" >
<script src=\"http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js\"></script>
<script src=\"http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js\"></script>
<script src=\"bootstrap-fileinput.js\"></script>
</head>
<body>
<div class=\"form-group\">
<div class=\"col-md-8\">
<div class=\"fileinput fileinput-new\" data-provides=\"fileinput\" id=\"uploadImageDiv\">
<div class=\"fileinput-new thumbnail\" style=\"width: 200px; height: 150px;\">
<img src=\"${companyInfo.image}\" alt=\"\" />
</div>
<div class=\"fileinput-preview fileinput-exists thumbnail\" style=\"max-width: 200px; max-height: 150px;\"></div>
<div>
<span class=\"btn default btn-file\"> <span
class=\"fileinput-new\">选择图片</span> <span class=\"fileinput-exists\">更改</span> <input type=\"file\" name=\"uploadImage\" id=\"uploadImage\" /></span>
<a href=\"#\" rel=\"external nofollow\" class=\"btn default fileinput-exists\" data-dismiss=\"fileinput\">移除</a>
<span>请选择1M以内图片</span>
</div>
</div>
<div id=\"titleImageError\" style=\"color: #a94442\"></div>
</div>
</div>
</body>
<script>
var handleEvent = function() {
$(\"#uploadImage\").fileupload({
url: \"design/resource/uploadFile\",
dataType: \'json\',
autoUpload: false,
acceptFileTypes: /(gif|jpe?g|png)$/i,
maxFileSize: 1000000, // 1 MB
imageMaxWidth: 100,
imageMaxHeight: 100,
messages: {
acceptFileTypes: \'文件类型不匹配\',
maxFileSize: \'文件过大\',
minFileSize: \'文件过小\'
}
}).on(\"fileuploadadd\", function(e, data) {
$(\"#titleImageError\").html(\"\");
$(\"#addBtn,#updateBtn\").off(\"click\").on(\"click\", function() {
if($(\"#dialogForm\").validate().form()) {
customGlobal.blockUI(\"#modalContent\");
data.submit()
}
})
}).on(\"fileuploadprocessalways\", function(e, data) {
var index = data.index,
file = data.files[index];
if(file.error) {
$(\"#titleImageError\").html(file.error)
}
$(\"#addBtn,#updateBtn\").prop(\'disabled\', !!data.files.error);
}).on(\"fileuploaddone\", function(e, data) {
if(data.result.returnState == \"ERROR\") {
toastr.warning(data.result.returnMsg);
customGlobal.ajaxCallback(data);
return;
}
addNews(data.result.returnData.url);
});
}
</script>
</html>
bootstrap-fileinput.css文件：（github目前正在维护中，之后所有代码上传至我的github）
/*!
* Jasny Bootstrap v3.1.3 (http://jasny.github.io/bootstrap)
* Copyright 2012-2014 Arnold Daniels
* Licensed under Apache-2.0 (https://github.com/jasny/bootstrap/blob/master/LICENSE)
*/
.btn-file {
position: relative;
overflow: hidden;
vertical-align: middle;
}
.btn-file > input {
position: absolute;
top: 0;
right: 0;
width: 100%;
height: 100%;
margin: 0;
font-size: 23px;
cursor: pointer;
filter: alpha(opacity=0);
opacity: 0;
direction: ltr;
}
.fileinput {
display: inline-block;
margin-bottom: 9px;
}
.fileinput .form-control {
display: inline-block;
padding-top: 7px;
padding-bottom: 5px;
margin-bottom: 0;
vertical-align: middle;
cursor: text;
}
.fileinput .thumbnail {
display: inline-block;
margin-bottom: 5px;
overflow: hidden;
text-align: center;
vertical-align: middle;
}
.fileinput .thumbnail > img {
max-height: 100%;
}
.fileinput .btn {
vertical-align: middle;
}
.fileinput-exists .fileinput-new,
.fileinput-new .fileinput-exists {
display: none;
}
.fileinput-inline .fileinput-controls {
display: inline;
}
.fileinput-filename {
display: inline-block;
overflow: hidden;
vertical-align: middle;
}
.form-control .fileinput-filename {
vertical-align: bottom;
}
.fileinput.input-group {
display: table;
}
.fileinput.input-group > * {
position: relative;
z-index: 2;
}
.fileinput.input-group > .btn-file {
z-index: 1;
}
.fileinput-new.input-group .btn-file,
.fileinput-new .input-group .btn-file {
border-radius: 0 4px 4px 0;
}
.fileinput-new.input-group .btn-file.btn-xs,
.fileinput-new .input-group .btn-file.btn-xs,
.fileinput-new.input-group .btn-file.btn-sm,
.fileinput-new .input-group .btn-file.btn-sm {
border-radius: 0 3px 3px 0;
}
.fileinput-new.input-group .btn-file.btn-lg,
.fileinput-new .input-group .btn-file.btn-lg {
border-radius: 0 6px 6px 0;
}
.form-group.has-warning .fileinput .fileinput-preview {
color: #8a6d3b;
}
.form-group.has-warning .fileinput .thumbnail {
border-color: #faebcc;
}
.form-group.has-error .fileinput .fileinput-preview {
color: #a94442;
}
.form-group.has-error .fileinput .thumbnail {
border-color: #ebccd1;
}
.form-group.has-success .fileinput .fileinput-preview {
color: #3c763d;
}
.form-group.has-success .fileinput .thumbnail {
border-color: #d6e9c6;
}
.input-group-addon:not(:first-child) {
border-left: 0;
}
bootstrap-fileinput.js:
/* ===========================================================
* Bootstrap: fileinput.js v3.1.3
* http://jasny.github.com/bootstrap/javascript/#fileinput
* ===========================================================
* Copyright 2012-2014 Arnold Daniels
*
* Licensed under the Apache License, Version 2.0 (the \"License\")
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an \"AS IS\" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
+function ($) { \"use strict\";
var isIE = window.navigator.appName == \'Microsoft Internet Explorer\'
// FILEUPLOAD PUBLIC CLASS DEFINITION
// =================================
var Fileinput = function (element, options) {
this.$element = $(element)
this.$input = this.$element.find(\':file\')
if (this.$input.length === 0) return
this.name = this.$input.attr(\'name\') || options.name
this.$hidden = this.$element.find(\'input[type=hidden][name=\"\' + this.name + \'\"]\')
if (this.$hidden.length === 0) {
this.$hidden = $(\'<input type=\"hidden\">\').insertBefore(this.$input)
}
this.$preview = this.$element.find(\'.fileinput-preview\')
var height = this.$preview.css(\'height\')
if (this.$preview.css(\'display\') !== \'inline\' && height !== \'0px\' && height !== \'none\') {
this.$preview.css(\'line-height\', height)
}
this.original = {
exists: this.$element.hasClass(\'fileinput-exists\'),
preview: this.$preview.html(),
hiddenVal: this.$hidden.val()
}
this.listen()
}
Fileinput.prototype.listen = function() {
this.$input.on(\'change.bs.fileinput\', $.proxy(this.change, this))
$(this.$input[0].form).on(\'reset.bs.fileinput\', $.proxy(this.reset, this))
this.$element.find(\'[data-trigger=\"fileinput\"]\').on(\'click.bs.fileinput\', $.proxy(this.trigger, this))
this.$element.find(\'[data-dismiss=\"fileinput\"]\').on(\'click.bs.fileinput\', $.proxy(this.clear, this))
},
Fileinput.prototype.change = function(e) {
var files = e.target.files === undefined ? (e.target && e.target.value ? [{ name: e.target.value.replace(/^.+\\\\/, \'\')}] : []) : e.target.files
e.stopPropagation()
if (files.length === 0) {
this.clear()
return
}
this.$hidden.val(\'\')
this.$hidden.attr(\'name\', \'\')
this.$input.attr(\'name\', this.name)
var file = files[0]
if (this.$preview.length > 0 && (typeof file.type !== \"undefined\" ? file.type.match(/^image\\/(gif|png|jpeg)$/) : file.name.match(/\\.(gif|png|jpe?g)$/i)) && typeof FileReader !== \"undefined\") {
var reader = new FileReader()
var preview = this.$preview
var element = this.$element
reader.onload = function(re) {
var $img = $(\'<img>\')
$img[0].src = re.target.result
files[0].result = re.target.result
element.find(\'.fileinput-filename\').text(file.name)
// if parent has max-height, using `(max-)height: 100%` on child doesn\'t take padding and border into account
if (preview.css(\'max-height\') != \'none\') $img.css(\'max-height\', parseInt(preview.css(\'max-height\'), 10) - parseInt(preview.css(\'padding-top\'), 10) - parseInt(preview.css(\'padding-bottom\'), 10) - parseInt(preview.css(\'border-top\'), 10) - parseInt(preview.css(\'border-bottom\'), 10))
preview.html($img)
element.addClass(\'fileinput-exists\').removeClass(\'fileinput-new\')
element.trigger(\'change.bs.fileinput\', files)
}
reader.readAsDataURL(file)
} else {
this.$element.find(\'.fileinput-filename\').text(file.name)
this.$preview.text(file.name)
this.$element.addClass(\'fileinput-exists\').removeClass(\'fileinput-new\')
this.$element.trigger(\'change.bs.fileinput\')
}
},
Fileinput.prototype.clear = function(e) {
if (e) e.preventDefault()
this.$hidden.val(\'\')
this.$hidden.attr(\'name\', this.name)
this.$input.attr(\'name\', \'\')
//ie8+ doesn\'t support changing the value of input with type=file so clone instead
if (isIE) {
var inputClone = this.$input.clone(true);
this.$input.after(inputClone);
this.$input.remove();
this.$input = inputClone;
} else {
this.$input.val(\'\')
}
this.$preview.html(\'\')
this.$element.find(\'.fileinput-filename\').text(\'\')
this.$element.addClass(\'fileinput-new\').removeClass(\'fileinput-exists\')
if (e !== undefined) {
this.$input.trigger(\'change\')
this.$element.trigger(\'clear.bs.fileinput\')
}
},
Fileinput.prototype.reset = function() {
this.clear()
this.$hidden.val(this.original.hiddenVal)
this.$preview.html(this.original.preview)
this.$element.find(\'.fileinput-filename\').text(\'\')
if (this.original.exists) this.$element.addClass(\'fileinput-exists\').removeClass(\'fileinput-new\')
else this.$element.addClass(\'fileinput-new\').removeClass(\'fileinput-exists\')
this.$element.trigger(\'reset.bs.fileinput\')
},
Fileinput.prototype.trigger = function(e) {
this.$input.trigger(\'click\')
e.preventDefault()
}
// FILEUPLOAD PLUGIN DEFINITION
// ===========================
var old = $.fn.fileinput
$.fn.fileinput = function (options) {
return this.each(function () {
var $this = $(this),
data = $this.data(\'bs.fileinput\')
if (!data) $this.data(\'bs.fileinput\', (data = new Fileinput(this, options)))
if (typeof options == \'string\') data[options]()
})
}
$.fn.fileinput.Constructor = Fileinput
// FILEINPUT NO CONFLICT
// ====================
$.fn.fileinput.noConflict = function () {
$.fn.fileinput = old
return this
}
// FILEUPLOAD DATA-API
// ==================
$(document).on(\'click.fileinput.data-api\', \'[data-provides=\"fileinput\"]\', function (e) {
var $this = $(this)
if ($this.data(\'bs.fileinput\')) return
$this.fileinput($this.data())
var $target = $(e.target).closest(\'[data-dismiss=\"fileinput\"],[data-trigger=\"fileinput\"]\');
if ($target.length > 0) {
e.preventDefault()
$target.trigger(\'click.bs.fileinput\')
}
})
}(window.jQuery);
以上所述是小编给大家介绍的bootstrap fileinput插件实现预览上传照片功能，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！
© 版权声明
THE END
暂无评论内容