uni.canvasToTempFilePath({}, this);加个this**
uni.canvasToTempFilePath({
canvasId: "canvas",
success: (res) => {
console.log('canvas转成图片成功:', res);
},
fail: (err) => {
console.log('canvas转成图片失败:', err)
}
}, this)
组合式写法
import { getCurrentInstance } from 'vue';
const instance = getCurrentInstance();
const that = instance?.proxy;
uni.canvasToTempFilePath({
canvasId: "canvas",
success: (res) => {
console.log('canvas转成图片成功:', res);
},
fail: (err) => {
console.log('canvas转成图片失败:', err)
}
}, that)
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蔡cai (作者)
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