2023-03-06 17:57:39 +08:00

125 lines
3.3 KiB
JavaScript

import { API } from './../../../utils/network/api'
import { FileUtil } from './../../../utils/fileutil'
const api = new API()
const app = getApp()
Page({
data: {
navbarData: {
showCapsule: 1, //是否显示左上角图标 1表示显示 0表示不显示
title: '多点执业认证', //导航栏 中间的标题
},
height: app.globalData.height,
ctx: null,
canvas: null,
txt_show: true
},
onReady() {
const query = wx.createSelectorQuery()
query.select('#sign_panels')
.fields({ node: true, size: true })
.exec((res) => {
const canvas = res[0].node
const ctx = canvas.getContext('2d')
ctx.lineWidth = 5;
// const dpr = wx.getSystemInfoSync().pixelRatio
canvas.width = res[0].width
canvas.height = res[0].height
ctx.scale(1, 1)
console.log(ctx);
this.setData({
ctx: ctx,
canvas: canvas
});
})
},
ontouchmove(e){
this.data.ctx.lineWidth = 5;
this.data.ctx.lineCap="round";
this.data.ctx.lineJoin ="round";
this.data.ctx.lineTo(e.changedTouches[0].pageX,e.changedTouches[0].pageY);
this.data.ctx.stroke();
},
ontouchstart(e){
this.setData({
txt_show: false
});
console.log(this.data.ctx);
this.data.ctx.beginPath();
this.data.ctx.moveTo(e.changedTouches[0].pageX,e.changedTouches[0].pageY);
},
toClear() {
this.setData({
txt_show: true
});
this.data.ctx.clearRect(0,0,this.data.canvas.width,this.data.canvas.height)
},
toSave(event) {
let _this = this;
let base64Img = _this.data.canvas.toDataURL()
console.log("sign: ", base64Img);
wx.canvasToTempFilePath({
canvasId: "sign_panels",
canvas: _this.data.canvas,
x:0,
y:0,
success(res) {
console.log(res.tempFilePath)
let filePath = res.tempFilePath;
_this.doUploadFile(event, 2, filePath);
}
})
},
doUploadFile(event, scene, filePath) {
console.log("index douploadFIle: ", event);
console.log("scene: ", scene);
let _this = this;
api.getOssSign({user_type:2,scene:scene}).then(response => {
console.log(response);
console.log("filePath: ", filePath);
const filename = FileUtil.UUID()+".png";
const host = response.data.host;
const signature = response.data.signature;
const ossAccessKeyId = response.data.accessid;
const policy = response.data.policy;
const key = response.data.dir+filename;
wx.uploadFile({
url: host, // 开发者服务器的URL。
filePath: filePath,
name: 'file', // 必须填file。
formData: {
key,
policy,
OSSAccessKeyId: ossAccessKeyId,
signature,
},
success: (res) => {
console.log("upload: ", res);
if (res.statusCode === 204) {
wx.showToast({title: '上传成功'})
let url = host+"/"+key;
console.log(url);
wx.setStorageSync("sign_image", url);
}
wx.navigateBack()
},
fail: err => {
console.log(err);
wx.showToast({
title: '上传失败',
icon: "error"
})
}
});
}).catch(errors => {
console.error(errors);
})
}
})