protobuf与json互相转换，protobuf输出字符串

港控/mmm° 2022-06-15 07:36 675阅读 0赞

## Java ##

http://code.google.com/p/protobuf-java-format/

maven

<dependency>  
<groupId>com.googlecode.protobuf-java-format</groupId>  
<artifactId>protobuf-java-format</artifactId>  
<version>1.2</version>  
</dependency>

从protobuf转json

Message someProto =SomeProto.getDefaultInstance();
    String jsonFormat =JsonFormat.printToString(someProto);

从json转protobuf

Message.Builder builder =SomeProto.newBuilder();
    String jsonFormat = _load json document from a source_;
    JsonFormat.merge(jsonFormat, builder);

## C++ ##

https://github.com/shramov/json2pb

\---------------------------------------------------------------------------

Provide serialization and de-serialization of different formats based on Google’s protobuf Message. Enables overriding the default (byte array) output to text based formats such as XML, JSON and HTML.

Fork from [http://code.google.com/p/protobuf-java-format][http_code.google.com_p_protobuf-java-format]

## Description ##

\#\#Example For XML output, use XmlFormat

Message someProto = SomeProto.getDefaultInstance();
    String xmlFormat = XmlFormat.printToString(someProto);

For XML input, use XmlFormat

Message.Builder builder = SomeProto.newBuilder();
    String xmlFormat = _load xml document from a source_;
    XmlFormat.merge(xmlFormat, builder);

For Json output, use JsonFormat

Message someProto = SomeProto.getDefaultInstance();
    String jsonFormat = JsonFormat.printToString(someProto);

For Json input, use JsonFormat

Message.Builder builder = SomeProto.newBuilder();
    String jsonFormat = _load json document from a source_;
    JsonFormat.merge(jsonFormat, builder);

For HTML output, use HtmlFormat

Message someProto = SomeProto.getDefaultInstance();
    String htmlFormat = HtmlFormat.printToString(someProto);

[http_code.google.com_p_protobuf-java-format]: http://code.google.com/p/protobuf-java-format