feat:获取项目所有文件MD5工具

utlis/get_file_md5.js

@@ -0,0 +1,84 @@
+/**
+ * 获取指定文件夹内的文件/文件夹内的文件md5
+ * 生成指向的文件夹/config/files_md5.json文件
+ */
+importClass(java.io.FileInputStream);
+importClass(java.io.File);
+importClass(java.math.BigInteger);
+importClass(java.security.MessageDigest);
+//指向一个相对路径
+let path = "../";
+
+let agg = {}
+statistical_file(path)
+
+function statistical_file(dir) {
+    var list = files.listDir(dir);
+    var len = list.length;
+
+    for (let i = 0; i < len; i++) {
+        var child = files.join(dir, list[i]);
+        console.info(child)
+        if (files.isFile(child)) {
+            let route = files.path(child)
+            child = child.replace(path,"")
+            agg[child] = {
+                "md5": getFileMD5(route),
+                "size": new FileInputStream(route).available()
+            }
+        } else if (files.isDir(child)) {
+            statistical_file(child)
+        }
+    }
+}
+
+
+
+/**
+ * 获取单个文件的MD5值！
+
+ * @param file
+ * @return
+ */
+
+function getFileMD5(file) {
+    try {
+        return $crypto.digest(file, "MD5", {
+            input: "file",
+            output: "hex"
+        })
+    } catch (e) {
+        //$crypto在aj4.ajx不可用，还有java方法
+
+    }
+
+    file = new File(file);
+    if (!file.isFile()) {
+        return null;
+    }
+    let buffer = util.java.array('byte', 1024); //byte[]
+    //  let buffer= new byte[1024];
+    let len;
+    try {
+        digest = MessageDigest.getInstance("MD5");
+        let in_ = new FileInputStream(file);
+        while ((len = in_.read(buffer, 0, 1024)) != -1) {
+            digest.update(buffer, 0, len);
+        }
+        in_.close();
+    } catch (e) {
+        e.printStackTrace();
+        return null;
+    }
+    let bigInt = new BigInteger(1, digest.digest());
+    return bigInt.toString(16);
+}
+
+log(JSON.stringify(agg))
+files.ensureDir(path+"config/files_md5.json")
+files.write(
+    path+"config/files_md5.json",
+    JSON.stringify(agg),
+    (encoding = "utf-8")
+)
+toastLog("生成"+path+"config/files_md5.json完成")