H5获取手机型号

yarn add mobile-detect -S

import MobileDetect from 'mobile-detect'
// alert("进来了")
var userAgent = navigator.userAgent;//获取userAgent信息  
console.log(userAgent)
var md = new MobileDetect(userAgent);
var os = md.os();//获取系统  
// model:手机型号
var model = "";
if (os == "iOS") {//ios系统的处理  
  model = md.mobile();
  if (model == "iPhone") {
    let iphoneArr = [
      ['428,926,3', "A14", "iPhone 12 Pro Max"],
      ['390,844,3', "A14", "iPhone 12 Pro"],
      ['360,780,3', "A14", "iPhone 12"],
      ['320,568,2', "A13", "iPhone SE（2代）"],
      ['414,896,3', "A13", "iPhone 11 Pro Max"],
      ['375,812,3', "A13", "iPhone 11 Pro"],
      ['414,896,2', "A13", "iPhone 11"],
      ['414,896,3', "A12", "iPhone XS Max"],
      ['375,812,3', "A12", "iPhone XS"],
      ['414,896,2', "A12", "iPhone XR"],
      ['375,812,3', "A11", "iPhone X"],
      ['414,736,3', "A11", "iPhone 8 Plus"],
      ['414,736,3', "A10", "iPhone 7 Plus"],
      ['414,736,3', "A9", "iPhone 6S Plus"],
      ['414,736,3', "A8", "iPhone 6 Plus"],
      ['376,667,2', "A11", "iPhone 8"],
      ['376,667,2', "A10", "iPhone 7"],
      ['376,667,2', "A9", "iPhone 6S"],
      ['376,667,2', "A8", "iPhone 6"],
      ['320,568,2', "A9", "iPhone SE（1代）"],
      ['320,568,2', "A7", "iPhone 5S"],
      ['320,568,2', "A6", "iPhone 5"]
    ]
    
    // 获取GPU信息
    var canvas = document.createElement('canvas'),
      gl = canvas.getContext('experimental-webgl'),
      debugInfo = gl.getExtension('WEBGL_debug_renderer_info');
    let iphoneGPU = gl.getParameter(debugInfo.UNMASKED_RENDERER_WEBGL);
    // alert(iphoneGPU)
    let width = window.screen.width;
    let height = window.screen.height;
    let devicePixelRatio = window.devicePixelRatio;
    let baseInfo = width + ',' + height + ',' + devicePixelRatio;
    let flag = false;
    for(let i in iphoneArr){
      for(let j in iphoneArr[i]){
        console.log(iphoneArr[i][0], baseInfo , iphoneGPU,iphoneArr[i][1])
        if(iphoneArr[i][0] == baseInfo && iphoneGPU.indexOf(iphoneArr[i][1]) != -1){
          model = iphoneArr[i][2];
          flag = true;
          break;
        }
      }
      if(flag){
        break;
      }
    }
    if(!flag){
      if((width == 375 && height == 812) || (width == 414 && height == 896)){
        model = 'iPhone X(11)'
      }else if(width == 360 && height == 780){
        model = 'iPhone 12'
      }else if(width == 390 && height == 840){
        model = 'iPhone 12 Pro'
      }else if(width == 428 && height == 926){
        model = 'iPhone 12 Pro Max'
      }
    }
    console.log(model);
  }else{
    model = "iPad"
  }
} else if (os == "AndroidOS") {//Android系统的处理  
  var j, sss = userAgent.split(";");
  for (var i = 0; i < sss.length; i++) {
    if (sss[i].indexOf("Build/") > 0) {
      j = i;
      break;
    }
  }
  if (j > -1) {
    model = sss[j].substring(0, sss[j].indexOf("Build/"));
  }
}
console.log('model是', model)


export default model

iphone X系列和iphone 11不太好区分，所以直接归为一类了。