feat: 首次提交

This commit is contained in:
peerless_hero
2023-08-17 21:28:49 +08:00
parent 36f80fb971
commit ec1e5e16cd
571 changed files with 95322 additions and 0 deletions

View File

@ -0,0 +1,186 @@
<!--本文件由FirstUI授权予新疆天衡创新研究院有限公司手机号1 861 40 72 54 9身份证尾号5A07X5专用请尊重知识产权勿私下传播违者追究法律责任-->
<template>
<!-- #ifdef APP-NVUE -->
<gcanvas @longpress="longtap" @touchstart="touchstart" @touchend="touchend" :ref="canvasId"
:style="{ width: w + 'px', height:h + 'px' }">
</gcanvas>
<!-- #endif -->
<!-- #ifndef APP-NVUE || MP-QQ -->
<canvas :canvas-id="canvasId" :id="canvasId" :style="{width:w+'px',height:h+'px'}" @longtap="longtap"
@touchstart="touchstart" @touchend="touchend" v-if="canvasId"></canvas>
<!-- #endif -->
<!-- #ifdef MP-QQ -->
<canvas canvas-id="canvas_qrcode" :style="{width:w+'px',height:h+'px'}" @longtap="longtap" @touchstart="touchstart"
@touchend="touchend"></canvas>
<!-- #endif -->
</template>
<script>
import fuiQr from './fui-qr/index.js'
// #ifdef APP-NVUE
import {
enable,
WeexBridge
} from './gcanvas/index.js';
// #endif
const utf16to8 = (str) => {
const len = str.length
let out = ''
for (let i = 0; i < len; i++) {
const c = str.charCodeAt(i)
if ((c >= 0x0001) && (c <= 0x007F)) {
out += str.charAt(i)
} else if (c > 0x07FF) {
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F))
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F))
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F))
} else {
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F))
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F))
}
}
return out
}
// #ifdef MP-WEIXIN
const canvasId = `fui_qr_${Math.ceil(Math.random() * 10e5).toString(36)}`
// #endif
// #ifdef MP-QQ
const canvasId = 'canvas_qrcode'
// #endif
export default {
name: "fui-qrcode",
emits: ['ready', 'longclick', 'touchStart', 'touchEnd'],
props: {
width: {
type: [Number, String],
default: 400
},
height: {
type: [Number, String],
default: 400
},
value: {
type: String,
default: ''
},
foreground: {
type: String,
default: '#181818'
},
background: {
type: String,
default: '#ffffff'
}
},
data() {
// #ifndef MP-WEIXIN || MP-QQ
const canvasId = `fui_qr_${Math.ceil(Math.random() * 10e5).toString(36)}`
// #endif
return {
canvasId,
//误差校正等级
errorCorrectLevel: 2,
//类型
typeNumber: -1,
w: 200,
h: 200
};
},
computed: {
initDraw() {
return `${this.width}_${this.height}_${this.foreground}_${this.background}_${this.value}`
}
},
watch: {
initDraw(val) {
this.w = uni.upx2px(this.width || 400)
this.h = uni.upx2px(this.height || 400)
this.$nextTick(() => {
this.draw()
})
}
},
created() {
this.w = uni.upx2px(this.width || 400)
this.h = uni.upx2px(this.height || 400)
this.ctx = null;
},
mounted() {
this.$nextTick(() => {
setTimeout(() => {
this.draw()
this.$emit('ready', {
canvasId: this.canvasId
})
}, 50)
})
},
// #ifndef VUE3
beforeDestroy() {
this.ctx = null;
},
// #endif
// #ifdef VUE3
beforeUnmount() {
this.ctx = null;
},
// #endif
methods: {
draw() {
const qrcode = fuiQr(utf16to8(this.value), {
typeNumber: this.typeNumber,
errorCorrectLevel: this.errorCorrectLevel,
})
const cells = qrcode.modules
const tileW = this.w / cells.length
const tileH = this.h / cells.length
if (!this.ctx) {
// #ifdef APP-NVUE
let ganvas = this.$refs[this.canvasId];
/*通过元素引用获取canvas对象*/
let canvasObj = enable(ganvas, {
bridge: WeexBridge
});
/*获取绘图所需的上下文暂不支持3d*/
this.ctx = canvasObj.getContext('2d');
// #endif
// #ifndef APP-NVUE
this.ctx = uni.createCanvasContext(this.canvasId, this)
// #endif
}
this.ctx.scale(1, 1)
cells.forEach((row, rdx) => {
row.forEach((cell, cdx) => {
this.ctx.setFillStyle(cell ? this.foreground : this.background)
const w = (Math.ceil((cdx + 1) * tileW) - Math.floor(cdx * tileW))
const h = (Math.ceil((rdx + 1) * tileH) - Math.floor(rdx * tileH))
this.ctx.fillRect(Math.round(cdx * tileW), Math.round(rdx * tileH), w, h)
})
})
this.ctx.draw()
},
longtap() {
this.$emit('longclick', {})
},
touchstart() {
this.$emit('touchStart', {})
},
touchend() {
this.$emit('touchEnd', {})
}
}
}
</script>
<style scoped></style>