there is an object in the background
Class Code {
private List<String> data;
private int msg;
}controller
public Object test(@ModelAttribute Code code)the front end submits data to the background
$.get("http://xxxxx",{
data: ["123","123"],
msg: "121313"
},)
background cannot map data to data
the backend interface is received with @ RequestBody , and then the front end is submitted in json format
positive solution upstairs, change it to
public Object test(@RequestBody Code code)pay attention to the header application/json when submitting the front end
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