Uncaught (in promise) SyntaxError: Unexpected token 'const' in UI5 (SAP)

Question

嗨，我想在 Ui5 中进行 API 调用 ，但每次它都告诉我，它不知道是什么'Const'.

Uncaught SyntaxError: Unexpected token 'const' The following error occurred while displaying routing target with name 'TargetResult': SyntaxError: Unexpected token 'const' -
Uncaught (in promise) SyntaxError: Unexpected token 'const'

我的Ui5通话：

sap.ui.define([
      "sap/ui/core/mvc/Controller", "sap/ui/model/json/JSONModel"
    ], function(Controller, JSONModel) {
      "use strict";

      return Controller.extend("TESTE.TESTE.controller.ResultDevice", {

            onInit: function() {
              var sUrl = "/api/tablets?limit=1000&offset=0";
              const url = "https://jsonplaceholder.typicode.com/users";

              fetch(url).then(res => res.json()).then(res => (
                  const dataModel = new JSONModel(); dataModel.setData({
                    items: res
                  }); this.getView().setModel(dataModel, "aribadevices")

                )
              },
            },

Answer 1

您的花括号和圆括号有几个问题。这段代码应该可以工作，没有语法错误，并且每个表达式都在一个新行上更容易阅读。

sap.ui.define([
    "sap/ui/core/mvc/Controller", "sap/ui/model/json/JSONModel"
  ], function(Controller, JSONModel) {
    "use strict";

    return Controller.extend("TESTE.TESTE.controller.ResultDevice", {

            onInit: function() {
            var sUrl = "/api/tablets?limit=1000&offset=0";
            const url = "https://jsonplaceholder.typicode.com/users";

            fetch(url).then(res => res.json()).then(res => {
                const dataModel = new JSONModel(); 
                dataModel.setData({
                    items: res
                }); 
                this.getView().setModel(dataModel, "aribadevices");
            })
        }
    })
});

Uncaught (in promise) SyntaxError: Unexpected token 'const' in UI5 (SAP)

Uncaught (in promise) SyntaxError: Unexpected token 'const' in UI5 (SAP)

javascript

sapui5

ui5-tooling

ui5-webcomponents