modify cipher callback example

Signed-off-by: NVincentchenhao <chenhao286@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-system-cipher.md

@@ -49,13 +49,15 @@ export default {
      '6S7Lpva1fKlcuVxjoFC1iMnzD4mC0uiL4k5MNi43J64c7dbqi3qAJjdAtuwQ6NZJ\n' + 
      '+Enz0RzmVFh/4yk6lmqRzuEFQqhQqSZzaLq6sq2N2G0Sv2Xl3sLvqAfe2HNm2oBw\n' +
      'jBpApTJ3TeneOo6Z5QIDAQAB',  
-        success: function(data) {                
-          console.log(data.data.text);          
-        },            
-        fail: function(data, code) {               
-          console.log(code.code);
-          console.log(data.data);  
-        }       
+      success: function(data) {                
+        console.log(`handling success:${data.text}`);          
+      },            
+      fail: function(data, code) {               
+        console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`); 
+      },
+      complete: function() {
+        console.log(`operation complete!`);
+      }
       });        
       cipher.rsa({            
         //解密：            
@@ -80,13 +82,15 @@ export default {
         'RUGcm3ZGTnslduB0knNF+V2ndwzDUQ7P74UXT+PjurTPhujFYiuxCEd6ORVnEOzG\n' +
         'M9TORIgdH8MjIbWsGnndAkEAw9yURDaorE8IYPLF2IEn09g1uzvWPs3phDb6smVx\n' + 
         '8GfqIdUNf+aCG5TZK/kXBF1sqcsi7jXMAf4jBlejVbSVZg==',
-           success: function(data) {                
-             console.log(data.data.text);            
-           },            
-           fail: function(data, code) {                
-             console.log(code.code);
-             console.log(data.data);        
-           },        
+         success: function(data) {                
+           console.log(`handling success:${data.text}`);          
+         },            
+         fail: function(data, code) {               
+           console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`); 
+         },
+         complete: function() {
+           console.log(`operation complete!`);
+         }        
        });    
    }
 }
@@ -131,13 +135,15 @@ export default {
       transformation: 'AES/CBC/PKCS5Padding',            
       ivOffset: '0',            
       ivLen: '16',            
-      success: (data) => {                
-        console.log(data.data.text);           
-      },            
-      fail: (data, code) => {                
-        console.log(code.code);
-        console.log(data.data);            
-      }        
+      success: function(data) {                
+        console.log(`handling success:${data.text}`);          
+        },            
+      fail: function(data, code) {               
+        console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`); 
+        },
+      complete: function() {
+        console.log(`operation complete!`);
+      }
     });        
     cipher.aes({            
       //解密：            
@@ -149,16 +155,19 @@ export default {
        transformation: 'AES/CBC/PKCS5Padding',            
        ivOffset: '0',            
        ivLen: '16',            
-       success: (data) => {                
-         console.log(data.data.text);           
-       },            
-       fail: (data, code) => {                
-         console.log(code.code);
-         console.log(data.data);            
-       }        
+       success: function(data) {                
+         console.log(`handling success:${data.text}`);          
+        },            
+       fail: function(data, code) {               
+         console.log(`### cipher.rsa encrypt fail ### ${code}:${data}`); 
+       },
+       complete: function() {
+         console.log(`operation complete!`);
+        }
      });        
     });    
   }
 }
 
-```
\ No newline at end of file
+```
+