今天主要绘制了图片上传界面，实现了基本页面之间的跳转
ImaRecohnition.vue
<template>
<view>
<view class="sunui-uploader-bd">
<view class="sunui-uploader-files">
<block v-for="(item, index) in upload_before_list" :key="index">
<view class="sunui-uploader-file" :class="[item.upload_percent < 100 ? 'sunui-uploader-file-status' : '']" @click="previewImage(index)">
<!-- step1.这里修改服务器返回字段 ！！！ -->
<image class="sunui-uploader-img" :style="upload_img_wh" :src="item.path" mode="aspectFill" />
<view class="sunui-img-removeicon right" @click.stop="removeImage(index)" v-show="upimg_move">×</view>
<view class="sunui-loader-filecontent" v-if="item.upload_percent < 100">{{ item.upload_percent }}%</view>
</view>
</block>
<view v-show="upload_len < upload_count" hover-class="sunui-uploader-hover" class="sunui-uploader-inputbox" @click="chooseImage" :style="upload_img_wh">
<view><text class="iconfont icon-mn_shangchuantupian" style="color: #666;"></text></view>
</view>
</view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
upload_len: 0,
upload_cache: [],
upload_cache_list: [],
upload_before_list: []
};
},
name: 'sunui-upimg',
props: {
// 服务器url
url: {
type: String,
default: 'http://octoberimg.viphk.ngrok.org/SmartCloudAlbum_war_exploded/Cloud/UploadImg/'
},
// 上传样式宽高
upload_img_wh: {
type: String,
default: '162rpx;height:162rpx;'
},
// 上传数量
upload_count: {
type: [Number, String],
default: 9
},
// 是否自动上传? 可以先用变量为false然后再改为true即为手动上传
upload_auto: {
type: Boolean,
default: true
},
// 是否显示删除
upimg_move: {
type: Boolean,
default: true
},
// 服务器预览图片
upimg_preview: {
type: Array,
default: () => {
return [];
}
},
// 服务器返回预览(看服务器卡顿情况设定)
upimg_delaytime: {
type: [Number, String],
default: 300
},
// 请求头信息
header: {
type: Object,
default: () => {
return {};
}
}
},
async created() {
let _self = this;
setTimeout(() => {
this.upload_before_list = this.upload_before_list.concat(this.upimg_preview);
this.upload_len = this.upload_before_list.length;
this.upimg_preview.map(item => {
// step2.这里修改服务器返回字段 ！！！
this.upload_cache_list.push(item.path);
});
this.emit();
}, this.upimg_delaytime);
},
methods: {
upImage(paths,header) {
let _self = this;
const promises = paths.map(function(path) {
return promisify(upload)({
url: _self.url,
path: path,
name: 'file',
extra: header,
_self: _self
});
});
uni.showLoading({
title: `正在上传...`
});
Promise.all(promises)
.then(function(data) {
uni.hideLoading();
_self.upload_cache_list.push(...data);
_self.emit();
})
.catch(function(res) {
uni.hideLoading();
});
},
chooseImage() {
let _self = this;
uni.chooseImage({
count: _self.upload_count - _self.upload_before_list.length,
sizeType: ['compressed', 'original'],
sourceType: ['album', 'camera'],
success: function(res) {
for (let i = 0, len = res.tempFiles.length; i < len; i++) {
res.tempFiles[i]['upload_percent'] = 0;
_self.upload_before_list.push(res.tempFiles[i]);
}
_self.upload_cache = res.tempFilePaths;
_self.upload(_self.upload_auto);
},
fail: function(err) {
console.log(err);
}
});
},
async upload(upload_auto) {
let _self = this;
upload_auto ? await _self.upImage(_self.upload_cache,_self.header) : console.warn(`传输参数:this.$refs.xx.upload(true)才可上传,默认false`);
},
previewImage(idx) {
let _self = this;
let preview = [];
for (let i = 0, len = _self.upload_before_list.length; i < len; i++) {
// step3.这里修改服务器返回字段 ！！！
preview.push(_self.upload_before_list[i].path);
}
uni.previewImage({
current: idx,
urls: preview
});
},
removeImage(idx) {
let _self = this;
_self.upload_before_list.splice(idx, 1);
_self.upload_cache_list.splice(idx, 1);
_self.upload_len = _self.upload_before_list.length;
_self.emit();
},
emit() {
let _self = this;
_self.$emit('change', _self.upload_cache_list);
}
}
};
const promisify = api => {
return function(options, ...params) {
return new Promise(function(resolve, reject) {
api(
Object.assign({}, options, {
success: resolve,
fail: reject
}),
...params
);
});
};
};
const upload = function(options) {
let url = options.url,
_self = options._self,
path = options.path,
name = options.name,
// data = options.data,
extra = options.extra,
success = options.success,
progress = options.progress,
fail = options.fail;
const uploadTask = uni.uploadFile({
url: url,
filePath: path,
name: name,
formData: extra,
success: function(res) {
var data = res.data;
console.warn('sunui-upimg - 如发现没有获取到返回值请到源码191行修改后端返回图片路径以便正常使用插件', JSON.parse(data));
try {
//Tip : 切记->主要修改这里图片的返回值为真实返回路径!!! 详情见示例
data = JSON.parse(res.data);
} catch (e) {
throw (e, data);
}
console.log(data.msg);
// 根据自己的返回数据做相应判断,服务器返回200即代表成功请求
if (res.statusCode == 200) {
if (data.msg=='successful') {
success(data);
for (let i = 0, len = _self.upload_before_list.length; i < len; i++) {
_self.upload_before_list[i]['upload_percent'] = 100;
}
}
} else {
if (fail) {
fail(data);
}
}
},
fail: function(res) {
console.log(res);
if (fail) {
fail(res);
}
}
});
uploadTask.onProgressUpdate(async function(res) {
for (let i = 0, len = _self.upload_before_list.length; i < len; i++) {
_self.upload_before_list[i]['upload_percent'] = await res.progress;
}
_self.upload_before_list = _self.upload_before_list;
_self.upload_len = _self.upload_before_list.length;
});
};
</script>
<style lang="scss">
@font-face {
font-family: 'iconfont';
src: url('//at.alicdn.com/iconfont.eot?t=1574391686418');
/* IE9 */
src: url('//at.alicdn.com/iconfont.eot?t=1574391686418#iefix') format('embedded-opentype'),
/* IE6-IE8 */
url('data:application/x-font-woff2;charset=utf-8;base64,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')
format('woff2'),
url('//at.alicdn.com/iconfont.woff?t=1574391686418') format('woff'), url('//at.alicdn.com/iconfont.ttf?t=1574391686418') format('truetype'),
/* chrome, firefox, opera, Safari, Android, iOS 4.2+ */ url('//at.alicdn.com/iconfont.svg?t=1574391686418#iconfont') format('svg');
/* iOS 4.1- */
}
@charset "UTF-8";
.iconfont {
font-family: 'iconfont' !important;
font-size: 16px;
font-style: normal;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
.icon-mn_shangchuantupian {
&:before {
content: 'e559';
}
font-size: 3em;
}
.sunui-uploader-img {
display: block;
}
.sunui-uploader-input {
position: absolute;
z-index: 1;
top: 0;
left: 0;
100%;
height: 100%;
opacity: 0;
}
.sunui-uploader-inputbox {
position: relative;
margin-bottom: 16rpx;
box-sizing: border-box;
background-color: #ededed;
display: flex;
flex-wrap: wrap;
align-items: center;
justify-content: center;
}
.sunui-img-removeicon {
position: absolute;
color: #fff;
40upx;
height: 40upx;
line-height: 40upx;
z-index: 2;
text-align: center;
background-color: #e54d42;
&.right {
top: 0;
right: 0;
}
}
.sunui-uploader-file {
position: relative;
margin-right: 16rpx;
margin-bottom: 16rpx;
}
.sunui-uploader-file-status:before {
content: ' ';
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-color: rgba(0, 0, 0, 0.5);
}
.sunui-loader-filecontent {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
color: #fff;
z-index: 9;
}
.sunui-uploader-bd {
padding: 26rpx;
margin: 0;
}
.sunui-uploader-files {
display: flex;
flex-wrap: wrap;
}
.sunui-uploader-file:nth-child(4n + 0) {
margin-right: 0;
}
.sunui-uploader-inputbox > view {
text-align: center;
}
.sunui-uploader-file-status:after {
content: ' ';
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
background-color: rgba(0, 0, 0, 0.5);
}
.sunui-uploader-hover {
box-shadow: 0 0 0 #e5e5e5;
background: #e5e5e5;
}
</style>