Jingde-town-wechat-uniapp/utils/utils.js

function toArray(data) {
	if (!data) return []
	if (data instanceof Array){
		return data
	} else {
		return [data]
	}
}

function generateUUID() {
  return 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = Math.random() * 16 | 0,
        v = c == 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  });
}

function generateRandomColor() {
  const letters = '0123456789ABCDEF';
  let color = '#';
  for (let i = 0; i < 6; i++) {
    color += letters[Math.floor(Math.random() * 16)];
  }
  return color;
}

function generateLightRandomColor() {
  const min = 150; 
  const range = 105;
  const r = Math.floor(Math.random() * range + min);
  const g = Math.floor(Math.random() * range + min);
  const b = Math.floor(Math.random() * range + min);
  const color = 'rgb(' + r + ',' + g + ',' + b + ')';
  return color;
}

function verificationAll(data, msg){
	
	let Msgs = {
		default : msg || '表单数据未填写'
	}
	
	if(typeof msg == 'object'){
		Msgs = {
			default : '表单数据未填写',
			...msg,
		}
	}
	
	if (!data){
		uni.showToast({
			title: Msgs.default,
			icon: "none"
		})
		return true
	}
	for (let key in data) {
	    if (!data[key] || data[key] === "") {
			uni.showToast({
				title: (Msgs[key] || Msgs.default),
				icon: "none"
			})
			return true
	    }
	}
	return false
}

//验证手机号是否合法
function verificationPhone(phone){
	if(!/^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/.test(phone)){
		return false
	}
	return true
}

//获取url中参数的方法
export function getHrefParams(name) {
	var url = window.location.href;
	try {
		var cs = url.split('?')[1]; //获取?之后的参数字符串
		var cs_arr = cs.split('&'); //参数字符串分割为数组
		for (var i = 0; i < cs_arr.length; i++) { //遍历数组，拿到json对象
			if (cs_arr[i].split('=')[0] == name) {
				return cs_arr[i].split('=')[1];
			}
		}
		return "";
	} catch {
		return "";
	}
}

//其中url是文件的地址
export function hanldePreview(url) {
	console.log("url--->", url)
	let index = url.lastIndexOf('.');
	let fileType = url.substring(index + 1, url.length);
	let white_filetype = ['doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'pdf']
	let white_image = ['jpg', 'jpeg', 'png', 'gif', 'webp', 'ico', 'wbmp', 'fax', 'net', 'rp', 'jfif', 'jpe',
		'tiff', 'tif'
	]
	let white_media = ['mp3', 'wav', 'flac', 'aac', 'mp4', 'avi', 'wmv', 'mov', 'flv']
	uni.downloadFile({
		url: url,
		success: function(res) {
			console.log("res--->", res)
			var filePath = res.tempFilePath;
			if (white_filetype.indexOf(fileType) != -1) {
				uni.openDocument({
					filePath: filePath,
					showMenu: true,
					success: function(res) {
						console.log('打开文档成功');
					},
					fail: function(err) {
						console.log('打开文档失败--->', err);
						uni.showToast({
							title: err.errMsg,
							icon: 'none'
						})
					},
				});
			} else if (white_image.indexOf(fileType) != -1) {
				uni.previewImage({
					urls: [filePath],
					longPressActions: {
						itemList: ['发送给朋友', '保存图片', '收藏'],
						success: function(data) {
 
						},
						fail: function(err) {
							console.log(err.errMsg);
							uni.showToast({
								title: err.errMsg,
								icon: 'none'
							})
						}
					}
				});
			} else if (white_media.indexOf(fileType) != -1) {
				wx.previewMedia({
					sources: [{
						url: filePath, //图片或者视频所在路径
						type: 'video', //图片为image，视频为video
					}],
					success(res) {
						//预览成功
						// uni.showToast({
						// 	title: "预览成功",
						// 	icon: "none"
						// })
					},
					fail(err) {
						console.log(err);
						uni.showToast({
							title: err.errMsg,
							icon: 'none'
						})
						//预览失败
					}
				})
			} else {
				uni.showToast({
					title: '不支持打开该类型文件',
					icon: 'none'
				})
			}
 
		},
		fail: function(err) {
			console.log("err--->", err)
			uni.showToast({
				title: err.errMsg,
				icon: 'none'
			})
		}
	});
}


//深度对比合并两个对象，相同属性b会覆盖a
export function deepMergeObject(a, b){
	let data = JSON.parse(JSON.stringify(a))
	function mergeObject(obj1, obj2){
		for(let key in obj2){
			if(typeof obj1[key] == 'object'){
				obj1[key] = mergeObject(obj1[key], obj2[key])
			}else{
				obj1[key] = obj2[key]
			}
		}
		return obj1
	}
	return mergeObject(data, b)
}

function params(url){
	if(typeof url == 'object'){
		return url
	}
	
	let data = {
		url
	}
	
	if(!data.url.includes('/pages')){
		data.url = '/pages' + data.url
	}
	
	return data
}


export function navigateTo(...args){
	uni.navigateTo(params(...args))
}

export function navigateBack(num = -1){
	uni.navigateBack(num)
}

export function redirectTo(...args){
	uni.redirectTo(params(...args))
}

export default {
	toArray,
	generateUUID,
	verificationAll,
	generateRandomColor,
	generateLightRandomColor,
	verificationPhone,
	getHrefParams,
	deepMergeObject,
	navigateTo,
	navigateBack,
	redirectTo,
	hanldePreview,
}