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/**
* 通用js方法封装处理
* Copyright (c) 2019 ruoyi
*/
// 日期格式化
export function parseTime(time, pattern) {
if (arguments.length === 0) {
return null
}
const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
let date
if (typeof time === 'object') {
date = time
} else {
if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
time = parseInt(time)
}
if ((typeof time === 'number') && (time.toString().length === 10)) {
time = time * 1000
}
date = new Date(time)
}
const formatObj = {
y: date.getFullYear(),
m: date.getMonth() + 1,
d: date.getDate(),
h: date.getHours(),
i: date.getMinutes(),
s: date.getSeconds(),
a: date.getDay()
}
const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
let value = formatObj[key]
// Note: getDay() returns 0 on Sunday
if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value ] }
if (result.length > 0 && value < 10) {
value = '0' + value
}
return value || 0
})
return time_str
}
// 表单重置
export function resetForm(refName) {
if (this.$refs[refName] !== undefined) {
this.$refs[refName].resetFields();
}
}
// 添加日期范围
export function addDateRange(params, dateRange) {
var search = params;
if (null != dateRange) {
search.params = {
beginTime: this.dateRange[0],
endTime: this.dateRange[1]
};
}
return search;
}
// 回显数据字典
export function selectDictLabel(datas, value) {
var actions = [];
Object.keys(datas).map((key) => {
if (datas[key].dictValue == ('' + value)) {
actions.push(datas[key].dictLabel);
return false;
}
})
return actions.join('');
}
// 字符串格式化(%s )
export function sprintf(str) {
var args = arguments, flag = true, i = 1;
str = str.replace(/%s/g, function () {
var arg = args[i++];
if (typeof arg === 'undefined') {
flag = false;
return '';
}
return arg;
});
return flag ? str : '';
}
export const hackDownloadFile = data => {
if (!data) {
return
}
let url = window.URL.createObjectURL(new Blob([data]))
let link = document.createElement('a')
link.style.display = 'none'
link.href = url
link.setAttribute('download', `${new Date().getTime()}.xls`)
document.body.appendChild(link)
link.click()
}
/**
* mixj 二进制流下载
* 尝试用上面的下载方法
*/
export const hackDownloadFileNew = (data, name) => {
if (!data) {
return
}
try {
// 文件流
let responseData = data.data
// 响应头
let responseHeader = data.headers
// 文件类型
let responseType = 'application/vnd.ms-excel'
// 默认后缀名
let suffixName = 'xls'
// 按时间随机生成文件名
let defaultname = new Date().getTime()
let fileName = ''
// 兼容旧接口,data为ArrayBuffer
if (data instanceof ArrayBuffer) {
responseData = data
}
console.log(data, 'toubushuju')
if (responseHeader) {
// 判断响应头是否包含Content-Disposition
if (responseHeader.hasOwnProperty('content-disposition')) {
let disposition = responseHeader['content-disposition']
// 正则获取filename
let fileNames = disposition.match(/filename[^;\n]*=(UTF-\d['"]*)?((['"]).*?[.]$\2|[^;\n]*)?/gi)
// 判断是否包含filename
if (fileNames.length > 0) {
// 获取文件名+后缀名(如:直达链接.xls)
let fileFullName = fileNames[0].split('=')[1]
// 获取后缀名
suffixName = fileFullName.split('.')[1]
}
}
// 判断响应头是否包含content-type
if (responseHeader.hasOwnProperty('content-type')) {
responseType = responseHeader['content-type']
}
}
// 优先使用传入名称
if (name) {
fileName = `${name}.${suffixName}`
} else {
fileName = `${defaultname}.${suffixName}`
}
let url = window.URL.createObjectURL(new Blob([responseData], {
type: responseType
}))
let link = document.createElement('a')
link.style.display = 'none'
link.href = url
link.setAttribute('download', fileName)
document.body.appendChild(link)
link.click()
} catch (err) {
console.log(err)
}
}