From 60e68bc9b4fc796aaea41a8c56ec02ad3b6ee618 Mon Sep 17 00:00:00 2001 From: MDN Date: Thu, 3 Mar 2022 00:14:36 +0000 Subject: [CRON] sync translated content --- .../web/api/filereader/abort_event/index.html | 13 +++++++++++ .../web/api/filereader/load_event/index.html | 26 ++++++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 files/zh-cn/conflicting/web/api/filereader/abort_event/index.html create mode 100644 files/zh-cn/conflicting/web/api/filereader/load_event/index.html (limited to 'files/zh-cn/conflicting/web/api') diff --git a/files/zh-cn/conflicting/web/api/filereader/abort_event/index.html b/files/zh-cn/conflicting/web/api/filereader/abort_event/index.html new file mode 100644 index 0000000000..c899854b36 --- /dev/null +++ b/files/zh-cn/conflicting/web/api/filereader/abort_event/index.html @@ -0,0 +1,13 @@ +--- +title: FileReader.onabort +slug: conflicting/Web/API/FileReader/abort_event +translation_of: Web/API/FileReader/onabort +original_slug: Web/API/FileReader/onabort +--- +

FileReader.onabort 属性包含在终止事件被触发时执行的事件处理程序,举例,当读取文件的过程中需要中止时。

+ +

语法

+ +
reader.onabort = function() { ... };
+ +

 

diff --git a/files/zh-cn/conflicting/web/api/filereader/load_event/index.html b/files/zh-cn/conflicting/web/api/filereader/load_event/index.html new file mode 100644 index 0000000000..3d48f35fb0 --- /dev/null +++ b/files/zh-cn/conflicting/web/api/filereader/load_event/index.html @@ -0,0 +1,26 @@ +--- +title: FileReader.onload +slug: conflicting/Web/API/FileReader/load_event +tags: + - 文件 +translation_of: Web/API/FileReader/onload +original_slug: Web/API/FileReader/onload +--- +

{{APIRef}}

+ +

FileReader 读取文件的方式为  readAsArrayBuffer, readAsBinaryString, readAsDataURL 或者 readAsText 的时候,会触发一个 {{event('load')}} 事件。从而可以使用  FileReader.onload 属性对该事件进行处理。

+ +

范例

+ +
// 一个文件上传的回调 <input type="file" onchange="onChange(event)">
+function onChange(event) {
+  var file = event.target.files[0];
+  var reader = new FileReader();
+  reader.onload = function(event) {
+    // 文件里的文本会在这里被打印出来
+    console.log(event.target.result)
+  };
+
+  reader.readAsText(file);
+}
+
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