请求头中Content-Type传参 application/json与application/x-www-form-urlencoded
如果是application/json ,一般用于post请求,传输给后台数据格式必须是“对象”或/json
fetch(url,{
method:"post",
mode: 'cors',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json'
},
body:JSON.stringify({test:'test'})
})
如果是application/x-www-form-urlencoded 一般用户get,或post请求,传输给后台数据格式为默认编码格式
fetch(url,{
method:"post",
mode: 'cors',
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json'
},
body:"name=test&test=test"
})