7. [WebGIS practice] special topic - API key

Hello everyone , I am a X Beichenbei . This article is about 「WebGIS actual combat 」 series , Follow this tag , Read all the articles , Become WebGIS Developer .

Before introducing the next article , At the request of the supervisor and fans , Temporarily add an article about ArcGIS API for JavaScript About China API key The special topic of , Because we novices are checking ArcGIS API for JavaScript The official documents of ,[Get started] Stage will introduce about API key The content of , As shown below ：

By the way , If you are not clear about any content or have more questions in the subsequent learning process , We can leave the planned course catalogue , Add more special articles to answer .

although ArcGIS API for JavaScript At the beginning, the document introduces how to obtain API key The content of , But you must have an understanding ：ArcGIS API for JavaScript Development does not mean that you have to use this API Key. let me put it another way ,API Key Not at all WebGIS Develop necessary things , It can only be used when we need it . Next, let's see where we can use it API Key.

Speaking of where to use it API Key, Let's look directly at a passage in the official document ：

API keys are required to access ArcGIS services, such as basemaps, geocoding, and routing. 

Replace it with a mother tongue that everyone can understand , I mean ： If you use it esri Official ArcG