uni-app功能分享

压缩图片

function compressImage(url, filename) {
	var name = 'file:///storage/emulated/0/Documents/weiliao/' + filename;
	plus.zip.compressImage(
		{
			src: url, //src: (String 类型 )压缩转换原始图片的路径
			dst: name, //压缩转换目标图片的路径
			quality: 60, //quality: (Number 类型 )压缩图片的质量.取值范围为1-100
			overwrite: true //overwrite: (Boolean 类型 )覆盖生成新文件
		},
		function(e) {
			//压缩后
			// openFile(e.target)
			uni.showLoading({ title: '发送中' });
			sendPhoto(e.target); //发送
		},
		function(error) {
			console.log('压缩图片失败，请稍候再试');
		}
	);
}

压缩视频

function compressVideo(url, filename) {
	// var name = 'file:///storage/emulated/0/Documents/weiliao/compress/' + filename;
	plus.zip.compressVideo(
		{
			src: url, //src: (String 类型 )压缩转换原始路径
			// filename: name, //压缩后的路径
			quality: 'medium' //压缩级别low medium high
		},
		function(e) {
			//压缩后
			// openFile(e.tempFilePath)
			uni.showLoading({ title: '发送中' });
			sendVideo(e.tempFilePath); //发送
		},
		function(error) {
			console.log('压缩视频失败，请稍候再试');
		}
	);
}

滚动到页面底部

 

scrolltoBottom() {
	this.$nextTick(() => {
		this.timer = setTimeout(() => {
			uni.pageScrollTo({
				scrollTop: 9999999,
				duration: 10
			});
		}, 200);
	});
}