遍历jsno对象，把所有值都变成string

let jsnoArray = [{},{},{}…{}];
for(let i = 0; i < jsnoArray; i++){
for(let key in jsnoArray[i]){ //遍历数据，把所有的值都变成string
jsnoArray[i][key] = String(jsnoArray[i][key]);
}
}