我正在使用带有材料下拉列表的本机反应,并且出现以下错误:
代码示例如下:
blocks = async () => {
//let newdata= await AsyncStorage.getItem("syncdata");
//newdata =JSON.parse(newdata);
//const blockdata = JSON.parse(newdata);
//const userdata=blockdata[0];
//const keys=Object.keys(blockdata);
// let valuezero=0;
let data=await AsyncStorage.getItem("syncdata");
data=JSON.parse(data);
const newkey=Object.keys(data);
let blocksArray = Object.keys(data).map((key, index) => {
return {
value: data[key].name
};
//return data[key].name
});
this.setState({ data: data.blocks, yearArray: data.years });
alert(blocksArray);
return blocksArray;
};