无法显示两个对象
this._formsServices.fetching(this._route.snapshot.paramMap.get('id')).subscribe(post => {
this.field = this._formsServices.form;
let comma: any;
this.field.forEach(option => {
if (option.optionEn) {
this.options = []; <-----
comma = option.optionEn.split(',');
for (const key in comma) {
if (comma.hasOwnProperty(key)) {
this.options.push({ label: comma[key], value: option.fieldType });
}
}
}
})
});
输出控制台是正确的,但在HTML5上没有显示,这始终集中在最后一个对象上
(2) [{…}, {…}]
0: {label: "name1", value: "1"}
1: {label: "name1", value: "1"}
length: 2
__proto__: Array(0)
forms.component.ts:91
(2) [{…}, {…}]
0: {label: "name2", value: "6"}
1: {label: "name2", value: "6"}
这是因为您要在每个循环中擦除this.options
中的数据。在第一个循环中,您将这两个值0: {label: "name1", value: "1"}
1: {label: "name1", value: "1"}
推入了数组,在第二个循环中,您正在创建一个新的数组this.options = [];
。删除此行,应该可以。