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"Baidu Map" analysis of how to use Baidu map

Source: Internet
Author: User
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Overview

Readers need to apply for a key before using the Baidu maps API, and readers can click here to read a detailed tutorial on the Baidu map JavaScript API.

Baidu map JavaScript API syntax

The syntax for Web development is JavaScript.

JavaScript class Reference

Click I read the JavaScript class reference.

A simple map Demo

<!DOCTYPE HTML><HTML>  <Head>    <title>Demo</title>            <Metaname= "Content-type"content= "text/html; charset=utf-8">        <!--In order to better support the mobile terminal -        <Metaname= "Viewport"content= "initial-scale=1.0, User-scalable=no" />    <!--reference Baidu Map API JS -    <Scriptsrc= "HTTP://API.MAP.BAIDU.COM/API?V=2.0&AK=UFUZJKLXJF6BMZVIIDW9C5HJDGVTO9BW"></Script>      </Head>  <Body>  <!--must set width and height -  <DivID= "Container"style= "width:70%;height:400px"></Div>  <Script>    //Create Map    varMap=NewBmap.map ("Container"); //Initialize Map    varpoint1=NewBmap.point (104.074091,30.665783); Map.centerandzoom (Point1, A); //add marker on map    varPoint2=NewBmap.point (104.158603,30.642172); varMarker=NewBmap.marker (Point2);        Map.addoverlay (marker); //Addpanoramaconveragelayer on Map    varPclyer=NewBmap.panoramacoveragelayer ();        Map.addtilelayer (Pclyer); //add Panoramacontrol on map    varPNRM=NewBmap.panoramacontrol ();        Map.addcontrol (PNRM); //add Overviewcontrol on map    varOverviewcontrol= NewBmap.overviewmapcontrol ({anchor:bmap_anchor_bottom_right,isopen:true});      Map.addcontrol (Overviewcontrol); </Script>  </Body></HTML>

Summarize:

    1. Your own keys can be viewed in the API console.
    2. BMap is the namespace for the entire JavaScript API, and all JavaScript API classes must be preceded by the "BMap.", which requires a different namespace to refer to a class other than the JavaScript API.
    3. Most classes in the JavaScript API have listener events, so you can listen through AddEventListener ():
      Map.addeventlistener ("click", Function (e) {  console.log (e.point.lng+ "," +e.point.lat);});
    4. The function arguments in AddEventListener () can have the following properties:
      1. E.point.lng
      2. E.point.lat
      3. E.pixel.x
      4. E.pixel.y
      5. E.bounds
      6. E.size

"Baidu Map" analysis of how to use Baidu map

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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