瑕佷娇鐢ˋJAX浼犺緭JSON鏁版嵁鏍煎紡锛屼娇鐢ㄤ互涓嬫楠わ細

1. 鍒涘缓XMLHttpRequest瀵硅薄锛?/li>

var xhttp = new XMLHttpRequest();

2. 鍒涘缓涓€涓洖璋冨嚱鏁帮紝鐢ㄦ潵澶勭悊鏈嶅姟鍣ㄧ殑鍝嶅簲锛?/li>

xhttp.onreadystatechange = function() {
  if (this.readyState == 4 && this.status == 200) {
    // 澶勭悊鏈嶅姟鍣ㄧ殑鍝嶅簲
  }
};

3. 鎵撳紑涓€涓笌鏈嶅姟鍣ㄧ殑杩炴帴锛屽苟鎸囧畾璇锋眰鐨勬柟娉曘€乁RL鍜屾槸鍚﹀紓姝ワ細

xhttp.open("POST", "http://example.com/api", true);

4. 璁剧疆璇锋眰澶达紝浠ユ寚瀹氭暟鎹殑鏍煎紡涓篔SON锛?/li>

xhttp.setRequestHeader("Content-Type", "application/json");

5. 灏嗘暟鎹浆鎹负JSON瀛楃涓插苟鍙戦€佺粰鏈嶅姟鍣細

var data = { "name": "John", "age": 30 };
xhttp.send(JSON.stringify(data));

鍦ㄦ湇鍔″櫒绔紝鍙互浣跨敤鐩稿簲鐨勭紪绋嬭瑷€锛堝Java銆丳ython绛夛級鏉ヨВ鏋愭帴鏀跺埌鐨凧SON鏁版嵁銆?/p>