把简单的下拉框变成带有模糊搜索功能的下拉框，十分适用于下拉框选项较多的情况，支持中英文搜索，首字母搜索。-The situation becomes simple drop-down box with a drop-down box fuzzy search function is very applicable to the drop-down box options more support in English search, the first letter of the search.