//: Playground - noun: a place where people can play import Cocoa var str1 = "供选链接和强制拆包的不同. " class Person { var residence: Residence?//供选连接 } class Residence { var rooms = [Room]() var numberOfRooms: Int { return rooms.count } subscript(i: Int)…
//: Playground - noun: a place where people can play import Cocoa class Person { var residence: Residence?//供选连接 } class Residence { var rooms = [Room]() var numberOfRooms:Int { return rooms.count } subscript(i:Int) ->Room { return rooms[i] } func pr…
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><h…
Query获取Select元素,并选择的Text和Value: $("#select_id").change(function(){//code...}); //为Select添加事件,当选择其中一项时触发 var checkText=$("#select_id").find("option:selected").text(); //获取Select选择的Text var checkValue=$("#select_id").…
js中获取方法 var obj = document.getElementByIdx_xx_x(”testSelect”); //定位id var index = obj.selectedIndex; // 选中索引 var text = obj.options[index].text; // 选中文本 var value = obj.options[index].value; // 选中值 jQuery中获得选中select值 第一种方式$('#testSelect option:sele…