微信小游戲開發(fā)文檔-小游戲渲染API string Canvas.toTempFilePath(Object object)

string Canvas.toTempFilePath(Object object)

將當(dāng)前 Canvas 保存為一個(gè)臨時(shí)文件，并生成相應(yīng)的臨時(shí)文件路徑。

參數(shù)

Object object

object.fileType 的合法值

示例代碼

Canvas.toTempFilePath

canvas.toTempFilePath({
    x: 10,
    y: 10,
    width: 200,
    height: 150,
    destWidth: 400,
    destHeight: 300,
    success: (res) = > {
        wx.shareAppMessage({
            imageUrl: res.tempFilePath
        })
    }
})

Canvas.toTempFilePathSync

let tempFilePath = canvas.toTempFilePathSync({
    x: 10,
    y: 10,
    width: 200,
    height: 150,
    destWidth: 400,
    destHeight: 300
})
wx.shareAppMessage({
    imageUrl: tempFilePath
})