Ajax restful interface method of transmitting Json data

This time I will bring you the method of Ajax's restful interface to transmit Json data. What are the things to note when Ajax calls the restful interface to transmit Json data? The following is a practical case, let's take a look. ajax transmits json format data. The key is to specify the contentType. If the data is in json format

If it is a restful interface, change the type to the corresponding post (increase),

(Delete), put (change), get (check)

var post_data={"name":"test001","pass":"xxxx"}; 
$.ajax({ 
  url: "http://192.168.10.111:8080/uc/login", 
  type: 'post', 
  contentType: "application/json; charset=utf-8", 
  data:JSON.stringify(post_data), 
  success:function (data) { 
    //调用成功 
  }, 
  error: function(data, textStatus, errorThrown){ 
    //调用失败 
  } 
});

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