Javascript 的 encodeURI()、decodeURI() 及其组件函数
encodeURI() 函数对整个 URI 进行编码,包括特殊字符,但不包括 (, / ? : @ & 等字符。
encodeURIComponent() 函数对 URI 的某些部分进行编码,主要通过对特殊字符进行编码。它还对以下字符进行编码:(, / ? : @ & 等。
decodeURI() 函数对 encodeURI() 函数生成的 URI 进行解码。
decodeURIComponent() 函数用于对 encodeURIComponent() 生成的 URI 的某些部分进行解码。
以下是 encodeURI()、decodeURI() 及其组件函数的代码:-
示例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.encode,
.decode {
font-size: 18px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>encodeURI(), decodeURI() and its components functions</h1>
<button class="encodeUri">ENCODE URI</button>
<button class="decodeUri">DECODE URI</button>
<button class="encodeUriComponent">ENCODE URI COMPONENT</button>
<button class="decodeUriComponent">DECODE URI COMPONENT</button>
<div class="encode"></div>
<div class="decode"></div>
<h3>
Click on the above buttons to encode or decode URI component
</h3>
<script>
let fillEle = document.querySelector(".sample");
let decodeEle = document.querySelector(".decode");
let encodeEle = document.querySelector(".encode");
let url = "https://www.google.com/sample%20link/?img=91gf.jpg&size=451px";
let encodeUrl;
document.querySelector(".encodeUri").addEventListener("click", () => {
encodeUrl = encodeURI(url);
encodeEle.innerHTML = "Encoded url = " + encodeUrl;
});
document.querySelector(".decodeUri").addEventListener("click", () => {
decodeEle.innerHTML = "Decoded url = " + decodeURI(encodeUrl);
});
let encodeComponent;
document
.querySelector(".encodeUriComponent")
.addEventListener("click", () => {
encodeComponent = encodeURIComponent(url);
encodeEle.innerHTML = "Encoded url = " + encodeComponent;
});
document
.querySelector(".decodeUriComponent")
.addEventListener("click", () => {
decodeEle.innerHTML =
"Decoded url = " + decodeURIComponent(encodeComponent);
});
</script>
</body>
</html>输出

单击“ENCODE URI”然后再单击“DECODE URI”按钮之后:-

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