Rectification XML and convertxml guidance documents

1.Add output
2.Add notes
issue:
Signed-off-by: Nlihucheng <lihucheng1@huawei.com>

en/application-dev/reference/apis/js-apis-convertxml.md

@@ -56,6 +56,8 @@ let options = {trim : false, declarationKey:"_declaration",
     nameKey : "_name", elementsKey : "_elements"}
 let result = JSON.stringify(conv.convert(xml, options));
 console.log(result)
+// Output(Non compact)
+// {"_declaration":{"_attributes":{"version":"1.0","encoding":"utf-8"}},"_elements":[{"_type":"element","_name":"note","_attributes":{"importance":"high","logged":"true"},"_elements":[{"_type":"element","_name":"title","_elements":[{"_type":"text","_text":"Happy"}]},{"_type":"element","_name":"todo","_elements":[{"_type":"text","_text":"Work"}]},{"_type":"element","_name":"todo","_elements":[{"_type":"text","_text":"Play"}]}]}]}
 ```
 
 ## ConvertOptions

en/application-dev/reference/apis/js-apis-xml.md

@@ -344,15 +344,22 @@ for (var i = 0; i < strLen; ++i) {
 }
 var that = new xml.XmlPullParser(arrayBuffer);
 var arrTag = {};
-arrTag[0] = '132';
-var i = 1;
+var str = "";
+var i = 0;
 function func(key, value){
     arrTag[i] = 'key:'+key+' value:'+ value.getDepth();
+    str += arrTag[i];
     i++;
-    return true;
+    return true; // Determines whether to continuely parse, which is used to continue or terminate parsing.
 }
 var options = {supportDoctype:true, ignoreNameSpace:true, tokenValueCallbackFunction:func}
 that.parse(options);
+console.log(str);
+// Output:
+// key:0 value:0key:2 value:1key:10 value:1key:2 value:2key:4 value:2key:3 value:2key:10 value:1key:2 value:2key:4 value:2key:3 value:2key:10 value:1key:2 value:2key:4 value:2key:3 value:2key:3 value:1key:1 value:0
+// Notes:
+// The key represents the current event type, and the value represents the depth of the current parsing. You can know the parsed event according to EVENTTYPE. For example, the result 'key: value' in this example means:
+// 0(START_DOCUMENT):0(Parse to the START_DOCUMENT, and the depth is 0), 2(START_TAG):1(Parse to the START_TAG node, and the depth is 1), 10(WHITESPACE):1(Parse to the WHITESPACE space, and the depth is 1), 2(START_TAG):2(Parse to the START_TAG title, and the depth is 2), ...
 ```
 
 

zh-cn/application-dev/reference/apis/js-apis-convertxml.md

@@ -54,7 +54,9 @@ let options = {trim : false, declarationKey:"_declaration",
     commentKey : "_comment", parentKey : "_parent", typeKey : "_type",
     nameKey : "_name", elementsKey : "_elements"}
 let result = JSON.stringify(conv.convert(xml, options));
-console.log(result)
+console.log(result);
+// 输出(宽泛型)
+// {"_declaration":{"_attributes":{"version":"1.0","encoding":"utf-8"}},"_elements":[{"_type":"element","_name":"note","_attributes":{"importance":"high","logged":"true"},"_elements":[{"_type":"element","_name":"title","_elements":[{"_type":"text","_text":"Happy"}]},{"_type":"element","_name":"todo","_elements":[{"_type":"text","_text":"Work"}]},{"_type":"element","_name":"todo","_elements":[{"_type":"text","_text":"Play"}]}]}]}
 ```
 
 ## ConvertOptions

zh-cn/application-dev/reference/apis/js-apis-xml.md

@@ -343,15 +343,22 @@ for (var i = 0; i < strLen; ++i) {
 }
 var that = new xml.XmlPullParser(arrayBuffer);
 var arrTag = {};
-arrTag[0] = '132';
-var i = 1;
+var str = "";
+var i = 0;
 function func(key, value){
     arrTag[i] = 'key:'+key+' value:'+ value.getDepth();
+    str += arrTag[i];
     i++;
-    return true;
+    return true; // Determines whether to continuely parse, which is used to continue or terminate parsing.
 }
 var options = {supportDoctype:true, ignoreNameSpace:true, tokenValueCallbackFunction:func}
 that.parse(options);
+console.log(str);
+// 输出:
+// key:0 value:0key:2 value:1key:10 value:1key:2 value:2key:4 value:2key:3 value:2key:10 value:1key:2 value:2key:4 value:2key:3 value:2key:10 value:1key:2 value:2key:4 value:2key:3 value:2key:3 value:1key:1 value:0
+// 解析:
+// key代表了当前事件类型，value为当前解析的深度。你可以根据EVENTTYPE来知道具体的解析事件。例如本示例结果key: value代表含义为:
+// 0(START_DOCUMENT):0(起始深度为0), 2(START_TAG):1(解析到开始标签node, 对应深度为1), 10(WHITESPACE):1(解析到空白标签空格, 对应深度为1), 2(START_TAG):2(解析到开始标签title, 对应深度为1), ...
 ```