You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
219 lines
4.6 KiB
219 lines
4.6 KiB
<template xlang="wxml" minapp="mpvue">
|
|
<view class="zb-code">
|
|
<!-- #ifndef MP-ALIPAY -->
|
|
<canvas class="zb-code-canvas" :canvas-id="cid" :style="{width:cpSize+'px',height:cpSize+'px'}" />
|
|
<!-- #endif -->
|
|
<!-- #ifdef MP-ALIPAY -->
|
|
<canvas :id="cid" :width="cpSize" :height="cpSize" class="zb-code-canvas" />
|
|
<!-- #endif -->
|
|
<image v-show="show" :src="result" :style="{width:cpSize+'px',height:cpSize+'px'}" />
|
|
</view>
|
|
</template>
|
|
|
|
<script>
|
|
// +----------------------------------------------------------------------
|
|
// | CRMEB [ CRMEB赋能开发者,助力企业发展 ]
|
|
// +----------------------------------------------------------------------
|
|
// | Copyright (c) 2016~2024 https://www.crmeb.com All rights reserved.
|
|
// +----------------------------------------------------------------------
|
|
// | Licensed CRMEB并不是自由软件,未经许可不能去掉CRMEB相关版权
|
|
// +----------------------------------------------------------------------
|
|
// | Author: CRMEB Team <admin@crmeb.com>
|
|
// +----------------------------------------------------------------------
|
|
import QRCode from "./qrcode.js"
|
|
let qrcode
|
|
export default {
|
|
name: "zb-code",
|
|
props: {
|
|
cid: {
|
|
type: String,
|
|
default: 'zb-code-canvas'
|
|
},
|
|
size: {
|
|
type: Number,
|
|
default: 200
|
|
},
|
|
unit: {
|
|
type: String,
|
|
default: 'upx'
|
|
},
|
|
show: {
|
|
type: Boolean,
|
|
default: true
|
|
},
|
|
val: {
|
|
type: String,
|
|
default: ''
|
|
},
|
|
background: {
|
|
type: String,
|
|
default: '#ffffff'
|
|
},
|
|
foreground: {
|
|
type: String,
|
|
default: '#000000'
|
|
},
|
|
pdground: {
|
|
type: String,
|
|
default: '#000000'
|
|
},
|
|
icon: {
|
|
type: String,
|
|
default: ''
|
|
},
|
|
iconSize: {
|
|
type: Number,
|
|
default: 40
|
|
},
|
|
lv: {
|
|
type: Number,
|
|
default: 3
|
|
},
|
|
onval: {
|
|
type: Boolean,
|
|
default: false
|
|
},
|
|
loadMake: {
|
|
type: Boolean,
|
|
default: false
|
|
},
|
|
usingComponents: {
|
|
type: Boolean,
|
|
default: true
|
|
},
|
|
showLoading: {
|
|
type: Boolean,
|
|
default: true
|
|
},
|
|
loadingText: {
|
|
type: String,
|
|
default: '二维码生成中'
|
|
},
|
|
},
|
|
data() {
|
|
return {
|
|
result: '',
|
|
}
|
|
},
|
|
methods: {
|
|
_makeCode() {
|
|
let that = this
|
|
if (!this._empty(this.val)) {
|
|
qrcode = new QRCode({
|
|
context: that, // 上下文环境
|
|
canvasId:that.cid, // canvas-id
|
|
usingComponents: that.usingComponents, // 是否是自定义组件
|
|
showLoading: that.showLoading, // 是否显示loading
|
|
loadingText: that.loadingText, // loading文字
|
|
text: that.val, // 生成内容
|
|
size: that.cpSize, // 二维码大小
|
|
background: that.background, // 背景色
|
|
foreground: that.foreground, // 前景色
|
|
pdground: that.pdground, // 定位角点颜色
|
|
correctLevel: that.lv, // 容错级别
|
|
image: that.icon, // 二维码图标
|
|
imageSize: that.iconSize,// 二维码图标大小
|
|
cbResult: function (res) { // 生成二维码的回调
|
|
that._result(res)
|
|
},
|
|
});
|
|
} else {
|
|
uni.showToast({
|
|
title: '二维码内容不能为空',
|
|
icon: 'none',
|
|
duration: 2000
|
|
});
|
|
}
|
|
},
|
|
_clearCode() {
|
|
this._result('')
|
|
qrcode.clear()
|
|
},
|
|
_saveCode() {
|
|
let that = this;
|
|
if (this.result != "") {
|
|
uni.saveImageToPhotosAlbum({
|
|
filePath: that.result,
|
|
success: function () {
|
|
uni.showToast({
|
|
title: '二维码保存成功',
|
|
icon: 'success',
|
|
duration: 2000
|
|
});
|
|
}
|
|
});
|
|
}
|
|
},
|
|
_result(res) {
|
|
this.result = res;
|
|
this.$emit('result', res)
|
|
},
|
|
_empty(v) {
|
|
let tp = typeof v,
|
|
rt = false;
|
|
if (tp == "number" && String(v) == "") {
|
|
rt = true
|
|
} else if (tp == "undefined") {
|
|
rt = true
|
|
} else if (tp == "object") {
|
|
if (JSON.stringify(v) == "{}" || JSON.stringify(v) == "[]" || v == null) rt = true
|
|
} else if (tp == "string") {
|
|
if (v == "" || v == "undefined" || v == "null" || v == "{}" || v == "[]") rt = true
|
|
} else if (tp == "function") {
|
|
rt = false
|
|
}
|
|
return rt
|
|
}
|
|
},
|
|
watch: {
|
|
size: function (n, o) {
|
|
if (n != o && !this._empty(n)) {
|
|
this.cSize = n
|
|
if (!this._empty(this.val)) {
|
|
setTimeout(() => {
|
|
this._makeCode()
|
|
}, 100);
|
|
}
|
|
}
|
|
},
|
|
val: function (n, o) {
|
|
if (this.onval) {
|
|
if (n != o && !this._empty(n)) {
|
|
setTimeout(() => {
|
|
this._makeCode()
|
|
}, 0);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
computed: {
|
|
cpSize() {
|
|
if(this.unit == "upx"){
|
|
return uni.upx2px(this.size)
|
|
}else{
|
|
return this.size
|
|
}
|
|
}
|
|
},
|
|
mounted: function () {
|
|
if (this.loadMake) {
|
|
if (!this._empty(this.val)) {
|
|
setTimeout(() => {
|
|
this._makeCode()
|
|
}, 0);
|
|
}
|
|
}
|
|
},
|
|
}
|
|
</script>
|
|
<style>
|
|
.zb-code {
|
|
position: relative;
|
|
}
|
|
.zb-code-canvas {
|
|
position: fixed;
|
|
top: -99999upx;
|
|
left: -99999upx;
|
|
z-index: -99999;
|
|
}
|
|
</style>
|
|
|