1.适配新版本的SDK,fileio接口废弃，使用fs接口代替

2.fix 删除文件，如果文件不存在调用fs.unlinkSync接口会发生崩溃

Signed-off-by: zhoulisheng1 <zhoulisheng1@huawei.com>

imageknife/src/main/ets/components/cache/FileReader.ets

@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import fileio from '@ohos.fileio';
+import fs from '@ohos.file.fs';
 
 export class FileReader {
 
@@ -32,8 +32,8 @@ export class FileReader {
       return
     }
     try {
-      this.stream = fileio.createStreamSync(path, 'r+');
+      this.stream = fs.createStreamSync(path, 'r+');
-      var stat = fileio.statSync(path)
+      var stat = fs.statSync(path)
       this.fileLength = stat.size
     } catch (e) {
     }

imageknife/src/main/ets/components/cache/FileUtils.ets

@@ -12,8 +12,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import resmgr from '@ohos.resourceManager'
+
-import fileio from '@ohos.fileio';
+import fs from '@ohos.file.fs';
 
 export class FileUtils {
   base64Str: string= ''
@@ -37,7 +37,7 @@ export class FileUtils {
   * @return number 文件句柄id
   */
   createFile(path: string): number{
-    return fileio.openSync(path, 0o100, 0o666)
+    return fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE).fd
   }
 
   /**
@@ -45,7 +45,14 @@ export class FileUtils {
   * @param path 文件绝对路径及文件名
   */
   deleteFile(path: string):void {
-    fileio.unlinkSync(path);
+    try {
+      let fileExist = fs.accessSync(path);
+      if(fileExist) {
+        fs.unlinkSync(path);
+      }
+    }catch (err){
+      console.log("FileUtils deleteFile Method has error, err msg="+err.message + " err code="+err.code);
+    }
   }
 
   /**
@@ -54,7 +61,7 @@ export class FileUtils {
    */
   deleteFolderSync(path: string):void {
     if (this.existFolder(path)) {
-      fileio.rmdirSync(path);
+      fs.rmdirSync(path);
     }
   }
 
@@ -64,7 +71,7 @@ export class FileUtils {
    */
   deleteFolderAsync(path: string, deleteComplete, deleteError) {
     if (this.existFolder(path)) {
-      fileio.rmdir(path)
+      fs.rmdir(path)
         .then(deleteComplete).catch(deleteError);
     }
   }
@@ -74,14 +81,14 @@ export class FileUtils {
    * @param path 文件绝对路径及文件名
    */
   copyFile(oriPath: string, newPath: string) {
-    fileio.copyFileSync(oriPath, newPath);
+    fs.copyFileSync(oriPath, newPath);
   }
 
   /**
    * 清空已有文件数据
    */
   clearFile(path: string):number {
-    return fileio.openSync(path, 0o1000)
+    return fs.openSync(path, fs.OpenMode.TRUNC).fd
   }
 
   /**
@@ -89,11 +96,11 @@ export class FileUtils {
    */
   writeFile(path: string, content: ArrayBuffer | string) {
     try {
-      let fd = fileio.openSync(path, 0o102, 0o666)
+      let fd = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE).fd
-      fileio.ftruncateSync(fd)
+      fs.truncateSync(fd)
-      fileio.writeSync(fd, content)
+      fs.writeSync(fd, content)
-      fileio.fsyncSync(fd)
+      fs.fsyncSync(fd)
-      fileio.closeSync(fd)
+      fs.closeSync(fd)
     } catch (e) {
       console.log("FileUtils - Failed to writeFile for " + e)
     }
@@ -105,18 +112,18 @@ export class FileUtils {
   writeData(path: string, content: ArrayBuffer | string) {
     try {
       console.info("FileUtils - writeData size 1= " + path)
-      let fd = fileio.openSync(path, 0o102, 0o666)
+      let fd = fs.openSync(path, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE).fd
       console.info("FileUtils - writeData size 2= ")
-      let stat = fileio.statSync(path)
+      let stat = fs.statSync(path)
       console.info("FileUtils - writeData size = " + stat.size)
-      fileio.writeSync(fd, content, { position: stat.size })
+      fs.writeSync(fd, content, { offset: stat.size })
       let length = 0
       if (content instanceof ArrayBuffer) {
         length = content.byteLength
       } else {
         length = content.length
       }
-      fileio.closeSync(fd)
+      fs.closeSync(fd)
     } catch (e) {
       console.log("FileUtils - Failed to writeData for " + e)
     }
@@ -127,7 +134,7 @@ export class FileUtils {
    */
   exist(path: string): boolean{
     try {
-      let stat = fileio.statSync(path)
+      let stat = fs.statSync(path)
       return stat.isFile()
     } catch (e) {
       console.debug("FileUtils - fileutils exsit e" + e)
@@ -151,7 +158,7 @@ export class FileUtils {
    */
   getFileSize(path: string): number{
     try {
-      let stat = fileio.statSync(path)
+      let stat = fs.statSync(path)
       return stat.size
     } catch (e) {
       console.error("FileUtils - FileUtils getFileSize e " + e)
@@ -164,14 +171,14 @@ export class FileUtils {
    */
   readFilePic(path: string): ArrayBuffer {
     try {
-      let stat = fileio.statSync(path)
+      let stat = fs.statSync(path)
       console.info("FileUtils - readFilePic 1")
-      let fd = fileio.openSync(path, 0o2);
+      let fd = fs.openSync(path, fs.OpenMode.READ_WRITE).fd;
-      let length = fileio.statSync(path).size
+      let length = fs.statSync(path).size
       console.info("FileUtils - readFilePic 2 length = " + length)
       let buf = new ArrayBuffer(length);
       console.info("FileUtils - readFilePic 3")
-      fileio.readSync(fd, buf)
+      fs.readSync(fd, buf)
       return buf
     } catch (e) {
       console.log("FileUtils - readFilePic " + e)
@@ -185,10 +192,10 @@ export class FileUtils {
    */
   readStream(path: string): string {
     try {
-      let stat = fileio.statSync(path)
+      let stat = fs.statSync(path)
       let length = stat.size
       let buf = new ArrayBuffer(length);
-      let ss = fileio.createStreamSync(path, "r+");
+      let ss = fs.createStreamSync(path, "r+");
       ss.readSync(buf)
       ss.closeSync();
       return String.fromCharCode.apply(null, new Uint8Array(buf))
@@ -206,7 +213,7 @@ export class FileUtils {
       console.error("FileUtils - writeStream =1 ")
       this.createFile(path)
       console.error("FileUtils - writeStream 2 ")
-      let ss = fileio.createStreamSync(path, "r+");
+      let ss = fs.createStreamSync(path, "r+");
       console.error("FileUtils - writeStream 3 " + tempArray.byteLength)
       let num = ss.writeSync(tempArray, {
         encoding: 'utf-8'
@@ -226,7 +233,7 @@ export class FileUtils {
   createFolder(path: string) {
     //创建文件夹
     if (!this.existFolder(path)) {
-      fileio.mkdirSync(path)
+      fs.mkdirSync(path)
     }
   }
 
@@ -236,7 +243,7 @@ export class FileUtils {
    */
   existFolder(path: string): boolean{
     try {
-      let stat = fileio.statSync(path)
+      let stat = fs.statSync(path)
       return stat.isDirectory()
     } catch (e) {
       console.debug("fileutils folder exsit error=" + e)