Question

我试图将所选值从下拉菜单传递到handleSearch()，然后将此传递到filterList()。

但是，它无法达到filterList()。

private handleSearch(e) {
    let key = e.key;
    let val = e.target.value;
    let type = e.target.type;
    let tname = e.target.name;
///code above
 if (type == "select-one") {
      let opt = [{ name: tname, value: val }]; //e.g. [{name:"Category",value:"abc"}]
      debugger;
      let page;
      this.filterList(
        this.state.searchvalue,
        page,
        this.state.selectVal ? this.state.selectVal : opt
      );
///code below
/// I can read the data here

 private filterList(query: string, ItemsPerPage = 10, options?) {
    let category = "";
    let users = "";
    let orderby = "Title";
    let order = "asc";
    if (options) { // undefined
      for (let i = 0; i <= options.length; i++) {
        if (options.name == "Category") {
/// codes continue

<select name="Category" onChange={props.select}>
  <option value="">All Category</option>
  {cat.map(i => (
    <option value={i}>{i}</option>
  ))}
</select>;

props.select定义为父组件中的select = {this.handleSearch} 我错过了什么吗？

Answer 1

我知道为什么> <我正在循环for循环。因此

 if (options.name == "Category") {

应该是

 if (options[i].name == "Category") {

无法将对象数组传递给函数？

1 个答案: