html页面间如何传参
html页面间如何传参?
送分题!
首先的首先,涉及业务逻辑的输入是需要通过参数传递的,主要有三种方法:path, query, POST/PUT body
path: GET /api/user/123 其中的123通过path传递
query: GET /api/search_user?userId=123
body: POST /api/user-signup {username: john}
不建议通过header传参的原因:
1. proxy 和 reverse proxy会drop header
2. 不利于传输object
3.
HTTP access control (CORS)
API 一般会设置Access-Control-Allow-Headers,分分钟教你做人。4. 不利于dev和debug
5. Header长度限制
然后,如果你需要传header,比如Authorization,如下。
jQuery.ajax()
headers (default: {})
Type:
PlainObject
An object of additional header key/value pairs to send along with requests using the XMLHttpRequest transport. The header X-Requested-With: XMLHttpRequest is always added, but its default XMLHttpRequest value can be changed here. Values in the headers setting can also be overwritten from within the beforeSend function. (version added:
1.5
)