From 2c8070f3244284864426d8ba0400def6bbdd6c88 Mon Sep 17 00:00:00 2001
From: Looly <loolly@aliyun.com>
Date: Mon, 9 Jun 2025 12:01:29 +0800
Subject: [PATCH] =?UTF-8?q?`HttpConfig`=E5=A2=9E=E5=8A=A0=E5=8F=82?=
 =?UTF-8?q?=E6=95=B0`setIgnoreContentLength`=E5=8F=AF=E9=80=89=E5=BF=BD?=
 =?UTF-8?q?=E7=95=A5=E8=AF=BB=E5=8F=96=E5=93=8D=E5=BA=94contentLength?=
 =?UTF-8?q?=E5=A4=B4=EF=BC=88issue#ICB1B8@Gitee=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 CHANGELOG.md                                    |  1 +
 .../main/java/cn/hutool/http/HttpConfig.java    | 17 +++++++++++++++++
 .../main/java/cn/hutool/http/HttpResponse.java  |  3 ++-
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0168679e..bfebc9bf8 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 * 【ai     】      增加SSE流式返回函数参数callback，豆包、grok新增文生图接口，豆包生成视频支持使用model
 * 【core   】      DesensitizedUtil新增护照号码脱敏功能（pr#1347@Gitee）
 * 【core   】      优化XXXToMapCopier的部分性能（pr#1345@Gitee）
+* 【http   】      `HttpConfig`增加参数`setIgnoreContentLength`可选忽略读取响应contentLength头（issue#ICB1B8@Gitee）
 * 
 ### 🐞Bug修复
 * 【core   】      修复`NumberUtil`isNumber方法以L结尾没有小数点判断问题（issue#3938@Github）
diff --git a/hutool-http/src/main/java/cn/hutool/http/HttpConfig.java b/hutool-http/src/main/java/cn/hutool/http/HttpConfig.java
index 172102e45..abc3e02b0 100755
--- a/hutool-http/src/main/java/cn/hutool/http/HttpConfig.java
+++ b/hutool-http/src/main/java/cn/hutool/http/HttpConfig.java
@@ -101,6 +101,12 @@ public class HttpConfig {
 	 */
 	boolean useDefaultContentTypeIfNull = true;
 
+	/**
+	 * 是否忽略Content-Length，如果为true，则忽略Content-Length，自动根据响应内容计算Content-Length<br>
+	 * issue#ICB1B8@Gitee，此参数主要解决服务端响应中Content-Length错误的问题
+	 */
+	boolean ignoreContentLength = false;
+
 	/**
 	 * 设置超时，单位：毫秒<br>
 	 * 超时包括：
@@ -332,4 +338,15 @@ public class HttpConfig {
 		this.useDefaultContentTypeIfNull = useDefaultContentTypeIfNull;
 		return this;
 	}
+
+	/**
+	 * 设置是否忽略Content-Length，如果为true，则忽略Content-Length，自动根据响应内容计算Content-Length
+	 * @param ignoreContentLength 是否忽略Content-Length
+	 * @return this
+	 * @since 5.8.39
+	 */
+	public HttpConfig setIgnoreContentLength(boolean ignoreContentLength) {
+		this.ignoreContentLength = ignoreContentLength;
+		return this;
+	}
 }
diff --git a/hutool-http/src/main/java/cn/hutool/http/HttpResponse.java b/hutool-http/src/main/java/cn/hutool/http/HttpResponse.java
index 2434e1724..495cc6831 100755
--- a/hutool-http/src/main/java/cn/hutool/http/HttpResponse.java
+++ b/hutool-http/src/main/java/cn/hutool/http/HttpResponse.java
@@ -664,7 +664,8 @@ public class HttpResponse extends HttpBase<HttpResponse> implements Closeable {
 			return;
 		}
 
-		final long contentLength = contentLength();
+		// issue#ICB1B8，如果用户定义忽略contentLength头，则不读取
+		final long contentLength = config.ignoreContentLength ? -1 : contentLength();
 		final FastByteArrayOutputStream out = new FastByteArrayOutputStream((int) contentLength);
 		copyBody(in, out, contentLength, null, this.config.ignoreEOFError);
 		this.body = new BytesResource(out.toByteArray());