jQuery 动态数据获取与传参示例-优快云博客

本文链接：https://blog.youkuaiyun.com/zichenblog/article/details/147989060

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>jQuery 动态数据获取与传参示例</title>
<style>
body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
line-height: 1.6;
}
.container {
background-color: #f5f5f5;
padding: 20px;
border-radius: 5px;
margin-bottom: 20px;
}
button {
background-color: #4CAF50;
color: white;
padding: 10px 15px;
border: none;
border-radius: 4px;
cursor: pointer;
margin: 10px 0;
}
button:hover {
background-color: #45a049;
}
#result {
margin-top: 20px;
padding: 15px;
border: 1px solid #ddd;
border-radius: 4px;
background-color: #fff;
min-height: 50px;
}
.user-card {
border: 1px solid #ccc;
padding: 10px;
margin: 10px 0;
border-radius: 4px;
background-color: white;
}
</style>
</head>
<body>
<h1>jQuery 动态数据获取与传参示例</h1>

<div class="container">
<h2>示例1: 获取用户数据</h2>
<button id="getUserBtn">获取用户数据</button>
<div id="userResult"></div>
</div>

<div class="container">
<h2>示例2: 带参数请求</h2>
<div>
<label for="userId">输入用户ID:</label>
<input type="number" id="userId" min="1" max="10" value="1">
<button id="getUserByIdBtn">获取指定用户</button>
</div>
<div id="userByIdResult"></div>
</div>

<div class="container">
<h2>示例3: 动态生成内容</h2>
<button id="generatePostsBtn">生成帖子列表</button>
<div id="postsContainer"></div>
</div>

<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>

<script>
$(document).ready(function() {
// 示例1: 获取用户数据
$("#getUserBtn").click(function() {
$.ajax({
url: "https://jsonplaceholder.typicode.com/users/1",
method: "GET",
dataType: "json",
beforeSend: function() {
$("#userResult").html("加载中...");
},
success: function(data) {
let html = `
<div class="user-card">
<h3>${data.name}</h3>
<p>邮箱: ${data.email}</p>
<p>电话: ${data.phone}</p>
<p>公司: ${data.company.name}</p>
</div>
`;
$("#userResult").html(html);
},
error: function() {
$("#userResult").html("加载数据失败");
}
});
});

// 示例2: 带参数请求
$("#getUserByIdBtn").click(function() {
const userId = $("#userId").val();
if (!userId) {
alert("请输入用户ID");
return;
}

$.ajax({
url: `https://jsonplaceholder.typicode.com/users/${userId}`,
method: "GET",
dataType: "json",
beforeSend: function() {
$("#userByIdResult").html("加载中...");
},
success: function(data) {
let html = `
<div class="user-card">
<h3>${data.name}</h3>
<p>用户名: ${data.username}</p>
<p>邮箱: ${data.email}</p>
<p>地址: ${data.address.street}, ${data.address.city}</p>
</div>
`;
$("#userByIdResult").html(html);
},
error: function() {
$("#userByIdResult").html("找不到该用户");
}
});
});

// 示例3: 动态生成内容
$("#generatePostsBtn").click(function() {
$.ajax({
url: "https://jsonplaceholder.typicode.com/posts",
method: "GET",
dataType: "json",
beforeSend: function() {
$("#postsContainer").html("加载中...");
},
success: function(data) {
let html = "<h3>最新帖子:</h3>";
// 只显示前5条
data.slice(0, 5).forEach(post => {
html += `
<div class="user-card">
<h4>${post.title}</h4>
<p>${post.body.substring(0, 100)}...</p>
<button class="view-post-btn" data-post-id="${post.id}">查看详情</button>
</div>
`;
});
$("#postsContainer").html(html);

// 为动态生成的按钮添加事件
$(".view-post-btn").click(function() {
const postId = $(this).data("post-id");
alert(`你点击了帖子ID: ${postId}\n这里可以跳转到详情页或显示更多内容。`);
});
},
error: function() {
$("#postsContainer").html("加载帖子失败");
}
});
});
});
</script>
</body>
</html>