From 2961c0b59902d5e7395cbf2ba560c5c97c64fdb7 Mon Sep 17 00:00:00 2001
From: wjc <1243177876@qq.com>
Date: 星期四, 08 六月 2023 09:05:36 +0800
Subject: [PATCH] 2023年06月08日09:05:24
---
app/src/main/java/com/hdl/photovoltaic/utils/FileUtils.java | 46 ++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/app/src/main/java/com/hdl/photovoltaic/utils/FileUtils.java b/app/src/main/java/com/hdl/photovoltaic/utils/FileUtils.java
index 528c1ee..7984262 100644
--- a/app/src/main/java/com/hdl/photovoltaic/utils/FileUtils.java
+++ b/app/src/main/java/com/hdl/photovoltaic/utils/FileUtils.java
@@ -1,10 +1,14 @@
package com.hdl.photovoltaic.utils;
import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
import android.util.Log;
import com.hdl.photovoltaic.other.HdlLogLogic;
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
@@ -120,10 +124,10 @@
return fileContent;
}
FileInputStream fis = new FileInputStream(f);
- byte[] bytes = new byte[(int) f.length()];
+ byte[] bytes = new byte[fis.available()];
fis.read(bytes);
fis.close();
- fileContent = new String(bytes, 0, bytes.length);
+ fileContent = new String(bytes);
return fileContent;
} catch (Exception e1) {
e1.printStackTrace();
@@ -133,6 +137,44 @@
}
+ /**
+ * 鎶婁綅鍥炬暟鎹繚瀛樺埌鎸囧畾璺緞鐨勫浘鐗囨枃浠�
+ */
+ public static void writeImage(String path, Bitmap bitmap) {
+ try {
+ //鏍规嵁鎸囧畾鏂囦欢璺緞鏋勫缓缂撳瓨杈撳嚭娴佸璞�
+ BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(path));
+ //鎶婁綅鍥炬暟鎹帇缂╁埌缂撳瓨杈撳嚭娴佷腑
+ bitmap.compress(Bitmap.CompressFormat.JPEG, 80, bos);
+ //瀹屾垚缂撳瓨杈撳嚭娴佺殑鍐欏叆鍔ㄤ綔
+ bos.flush();
+ //鍏抽棴缂撳瓨杈撳嚭娴�
+ bos.close();
+
+
+ } catch (Exception e) {
+ }
+ }
+
+ /**
+ * 浠庢寚瀹氳矾寰勭殑鍥剧墖鏂囦欢涓鍙栦綅鍥炬暟鎹�
+ */
+ public static Bitmap readImage(String path) {
+ try {
+ //鏍规嵁鎸囧畾鏂囦欢璺緞鏋勫缓缂撳瓨杈撳叆娴佸璞�
+ BufferedInputStream bis = new BufferedInputStream(new FileInputStream(path));
+ //浠庣紦瀛樿緭鍏ユ祦涓В鐮佷綅鍥炬暟鎹�
+ Bitmap bitmap = BitmapFactory.decodeStream(bis);
+ //鍏抽棴缂撳瓨杈撳叆娴�
+ bis.close();
+ return bitmap;
+
+
+ } catch (Exception e) {
+ }
+ return null;
+ }
+
}
--
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