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// 正则校验 const exp = { // DNS,IP ip: /^(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1-9]?\d)\.(25[0-5]|2[0-4]\d|[0-1]\d{2}|[1- 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
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const log = console.log; function test() { 'use strict'; let obj1 = { a: 0 , b: { c: 0}}; let obj2 = Object.assign({}, obj1); log(JSON.stringify(obj2) 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
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<template> <el-row> <el-col :span="12"> <el-upload class="upload-demo" ref="upload" :action="upload_url" drag multiple :auto-upload="false" :on-change 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
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先上一个案例 <!DOCTYPE html> <html lang="zh-cn"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" c 阅读全文
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文