js method code for obtaining GPS coordinates

The content of this article is about the method code of js to obtain GPS coordinates. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

No more nonsense, let’s go straight to the code

1. This is relatively simple

 function getLocation(){
        if(navigator.geolocation){        
        //判断是否有这个对象
            navigator.geolocation.getCurrentPosition(function(pos){
                console.log("经度："+pos.coords.longitude+                
                "纬度："+pos.coords.latitude)
            })
        }else{
            console.log("当前系统不支持GPS API")
        }
    }

2. It’s more comprehensive. In fact, it’s not necessary. It depends on the individual. Like it

function getLocation(){
       var options={
           enableHighAccuracy:true, 
           maximumAge:1000
       }       if(navigator.geolocation){           
       //浏览器支持geolocation
           // alert("浏览器支持geolocation");
           navigator.geolocation.getCurrentPosition(onSuccess,onError,options);

        }else{            
        //浏览器不支持geolocation
            alert("浏览器不支持geolocation");
        }
  }

When the acquisition is successful

 function onSuccess(pos){
        console.log("经度："+pos.coords.longitude+                
        "纬度："+pos.coords.latitude)
 }

When the acquisition fails, this error is deliberately written in detail to let you understand why it failed

function onError(error){
               switch(error.code){                   
               case 1:
                   alert("位置服务被拒绝");                   
                   break;                   
                   case 2:
                   alert("暂时获取不到位置信息");                   
                   break;                   
                   case 3:
                   alert("获取信息超时");                   
                   break;                  
                    case 4:
                    alert("未知错误");                   
                    break;
               }

           }

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