ClassCastException- if the value to which the specified name is mapped is not assignable to JsonString type getString StringgetString(Stringname) A convenience method forgetJsonString(name).getString() Parameters: name- whose associated value is to be returned as String ...
采用Gson解析含有多种JsonObject的复杂json格式：JSONObject parseObject(String text) 其中：text为JSONOb...
This API supports the Mono for Android infrastructure and is not intended to be used directly from your code. Methods Accumulate(String, Object) Appendsvalueto the array already mapped toname. Append(String, Object) Appends values to the array mapped toname. ...
String value Object aJSONObject,JSONArray, String, Boolean, Integer, Long, Double,#NULLor null. May not beDouble#isNaN() NaNsorDouble#isInfinite() infinities. Returns JSONObject Attributes RegisterAttribute Exceptions JSONException Remarks Appendsvalueto the array already mapped toname. If this obje...
boolean optBoolean(String key, boolean defaultValue) Get an optional boolean associated with a key. double optDouble(String key) Get an optional double associated with a key, or NaN if there is no such key or if its value is not a number. double optDouble(String key, double defaultValue...
it is not a string, number, array, or object [stderr] [stderr] The current character read is 'i' with an int value of 105 [stderr] Unable to determine the current character, it is not a string, number, array, or object [stderr] line number 1 [stderr] index number 0 [stderr...
If the mapping exists but its value is not an array, the existing and new values are inserted in order into a new array which is itself mapped to name. In aggregate, this allows values to be added to a mapping one at a time. Note that #append(String, Object) provides better ...
id value = jsonDict[@"nonExistentKey"]; if (value == nil) { NSLog(@"Key does not exist"); } 通过以上步骤和方法,可以有效地使用 NSDictionary 来处理和检索 JSON 数据。 相关搜索: 从NSDictionary检索数据 从JSONObject获取JSONArray中的JSONObject数据 在NSDictionary中从plist中获取数据 使用javascript...
A modifiable set of name/value mappings. Names are unique, non-null strings. Values may be any mix ofJSONObject JSONObjects,JSONArray JSONArrays, Strings, Booleans, Integers, Longs, Doubles or#NULL. Values may not benull,Double#isNaN() NaNs,Double#isInfinite() infinities, or of any typ...
When using QZ Tray 2.1 the follow code fails: 2.0 format: printData = [ { type: 'raw', format: 'image', data: 'assets/img/image_sample_bw.png', options: { language: 'escp', dotDensity: 'single' } }, '\x1B' + '\x40', // init '\x1D' + '\x5...