获得过 0 次赞
回答过的问题获得 0 次赞
分享过的文章/案例获得 0 次赞
评论与回复获得 0 次赞
this.ctx = wx.createCanvasContext('myCanvas', this) this.ctx.draw(false, () => { wx.canvasToTempFilePath({ canvasId: 'myCanvas', success: (res) => { console.log('in canvasToTempFilePath'); // 在H5平台下，tempFilePath 为 base64 // console.log('图片已保存至本地：', res.tempFilePath) this.posterUrl = res.tempFilePath; this.$emit('on-success', res.tempFilePath) }, fail: (res) => { console.log(res) } }, this) })
小程序createCanvasContext生成的临时文件wxfile:// ？小程序createCanvasContext生成的临时文件wxfile:// downloadFile:fail url scheme is inval 一、定义：this.ctx = wx.createCanvasContext('myCanvas', this) 二、绘制、this.ctx.draw(false, () => { wx.canvasToTempFilePath({ success:返回的临时地址为wxfile://，下载时提示downloadFile:fail url scheme is inval }) })
2023-10-24