如何使用Swagger Codegen生成代码，针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
由于开发的服务端内容，很多需要生成多种客户端代码，则需要自动化转换。
Springboot引入SwaggerUI
运行SwaggerUI，获取接口的Json文件
直接命令生成客户端代码
brew install swagger-codegen
运行如下内容
==> Downloading https://homebrew.bintray.com/bottles/swagger-codegen-3.0.13.high_sierra.bottle.tar.gz ==> Downloading from https://akamai.bintray.com/16/162075201143d225c420496cdc5529093be529ebe4ad7ec1d7a7fa922bb35d4b?__gda__=exp=1571906628~hmac=033f62943a9bf07acbd4cec7d9ac ######################################################## 78.3% curl: (18) transfer closed with 3941668 bytes remaining to read Error: Failed to download resource "swagger-codegen" Download failed: https://homebrew.bintray.com/bottles/swagger-codegen-3.0.13.high_sierra.bottle.tar.gz Warning: Bottle installation failed: building from source. ==> Installing dependencies for swagger-codegen: maven ==> Installing swagger-codegen dependency: maven ==> Downloading https://www.apache.org/dyn/closer.cgi?path=maven/maven-3/3.6.2/binaries/apache-maven-3.6.2-bin.tar.gz ==> Downloading from http://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.2/binaries/apache-maven-3.6.2-bin.tar.gz ######################################################################## 100.0% ???? /usr/local/Cellar/maven/3.6.2: 71 files, 10.2MB, built in 5 seconds ==> Downloading https://github.com/swagger-api/swagger-codegen/archive/v3.0.13.tar.gz ==> Downloading from https://codeload.github.com/swagger-api/swagger-codegen/tar.gz/v3.0.13 ######################################################################## 100.0% ==> mvn clean package
java -jar modules/swagger-codegen-cli/target/swagger-codegen-cli.jar
能够看到如下结果
Available languages: [ada, ada-server, akka-scala, android, apache2, apex, aspnetcore, bash, csharp, clojure, cwiki, cpprest, csharp-dotnet2, dart, dart-jaguar, elixir, elm, eiffel, erlang-client, erlang-server, finch, flash, python-flask, go, go-server, groovy, haskell-http-client, haskell, jmeter, jaxrs-cxf-client, jaxrs-cxf, java, inflector, jaxrs-cxf-cdi, jaxrs-spec, jaxrs, msf4j, java-pkmst, java-play-framework, jaxrs-resteasy-eap, jaxrs-resteasy, javascript, javascript-closure-angular, java-vertx, kotlin, lua, lumen, nancyfx, nodejs-server, objc, perl, php, powershell, pistache-server, python, qt5cpp, r, rails5, restbed, ruby, rust, rust-server, scala, scala-gatling, scala-lagom-server, scalatra, scalaz, php-silex, sinatra, slim, spring, dynamic-html, html2, html, swagger, swagger-yaml, swift4, swift3, swift, php-symfony, tizen, typescript-aurelia, typescript-angular, typescript-inversify, typescript-angularjs, typescript-fetch, typescript-jquery, typescript-node, undertow, ze-ph, kotlin-server]
$ java -jar modules/swagger-codegen-cli/target/swagger-codegen-cli.jar help usage: swagger-codegen-cli <command> [<args>] The most commonly used swagger-codegen-cli commands are: config-help Config help for chosen lang generate Generate code with chosen lang help Display help information langs Shows available langs meta MetaGenerator. Generator for creating a new template set and configuration for Codegen. The output will be based on the language you specify, and includes default templates to include. validate Validate specification version Show version information See 'swagger-codegen-cli help <command>' for more information on a specific command.
java -jar modules/swagger-codegen-cli/target/swagger-codegen-cli.jar help generate
NAME
swagger-codegen-cli generate - Generate code with chosen lang
SYNOPSIS
swagger-codegen-cli generate
[(-a <authorization> | --auth <authorization>)]
[--additional-properties <additional properties>...]
[--api-package <api package>] [--artifact-id <artifact id>]
[--artifact-version <artifact version>]
[(-c <configuration file> | --config <configuration file>)]
[-D <system properties>...] [--git-repo-id <git repo id>]
[--git-user-id <git user id>] [--group-id <group id>]
[--http-user-agent <http user agent>]
(-i <spec file> | --input-spec <spec file>)
[--ignore-file-override <ignore file override location>]
[--import-mappings <import mappings>...]
[--instantiation-types <instantiation types>...]
[--invoker-package <invoker package>]
(-l <language> | --lang <language>)
[--language-specific-primitives <language specific primitives>...]
[--library <library>] [--model-name-prefix <model name prefix>]
[--model-name-suffix <model name suffix>]
[--model-package <model package>]
[(-o <output directory> | --output <output directory>)]
[--release-note <release note>] [--remove-operation-id-prefix]
[--reserved-words-mappings <reserved word mappings>...]
[(-s | --skip-overwrite)]
[(-t <template directory> | --template-dir <template directory>)]
[--type-mappings <type mappings>...] [(-v | --verbose)]
OPTIONS
-a <authorization>, --auth <authorization>
adds authorization headers when fetching the swagger definitions
remotely. Pass in a URL-encoded string of name:header with a comma
separating multiple values
--additional-properties <additional properties>
sets additional properties that can be referenced by the mustache
templates in the format of name=value,name=value. You can also have
multiple occurrences of this option.
--api-package <api package>
package for generated api classes
--artifact-id <artifact id>
artifactId in generated pom.xml
--artifact-version <artifact version>
artifact version in generated pom.xml
-c <configuration file>, --config <configuration file>
Path to json configuration file. File content should be in a json
format {"optionKey":"optionValue", "optionKey1":"optionValue1"...}
Supported options can be different for each language. Run
config-help -l {lang} command for language specific config options.
-D <system properties>
sets specified system properties in the format of
name=value,name=value (or multiple options, each with name=value)
--git-repo-id <git repo id>
Git repo ID, e.g. swagger-codegen.
--git-user-id <git user id>
Git user ID, e.g. swagger-api.
--group-id <group id>
groupId in generated pom.xml
--http-user-agent <http user agent>
HTTP user agent, e.g. codegen_csharp_api_client, default to
'Swagger-Codegen/{packageVersion}}/{language}'
-i <spec file>, --input-spec <spec file>
location of the swagger spec, as URL or file (required)
--ignore-file-override <ignore file override location>
Specifies an override location for the .swagger-codegen-ignore file.
Most useful on initial generation.
--import-mappings <import mappings>
specifies mappings between a given class and the import that should
be used for that class in the format of type=import,type=import. You
can also have multiple occurrences of this option.
--instantiation-types <instantiation types>
sets instantiation type mappings in the format of
type=instantiatedType,type=instantiatedType.For example (in Java):
array=ArrayList,map=HashMap. In other words array types will get
instantiated as ArrayList in generated code. You can also have
multiple occurrences of this option.
--invoker-package <invoker package>
root package for generated code
-l <language>, --lang <language>
client language to generate (maybe class name in classpath,
required)
--language-specific-primitives <language specific primitives>
specifies additional language specific primitive types in the format
of type1,type2,type3,type3. For example:
String,boolean,Boolean,Double. You can also have multiple
occurrences of this option.
--library <library>
library template (sub-template)
--model-name-prefix <model name prefix>
Prefix that will be prepended to all model names. Default is the
empty string.
--model-name-suffix <model name suffix>
Suffix that will be appended to all model names. Default is the
empty string.
--model-package <model package>
package for generated models
-o <output directory>, --output <output directory>
where to write the generated files (current dir by default)
--release-note <release note>
Release note, default to 'Minor update'.
--remove-operation-id-prefix
Remove prefix of operationId, e.g. config_getId => getId
--reserved-words-mappings <reserved word mappings>
specifies how a reserved name should be escaped to. Otherwise, the
default _<name> is used. For example id=identifier. You can also
have multiple occurrences of this option.
-s, --skip-overwrite
specifies if the existing files should be overwritten during the
generation.
-t <template directory>, --template-dir <template directory>
folder containing the template files
--type-mappings <type mappings>
sets mappings between swagger spec types and generated code types in
the format of swaggerType=generatedType,swaggerType=generatedType.
For example: array=List,map=Map,string=String. You can also have
multiple occurrences of this option.
-v, --verbose
verbose modejava -jar modules/swagger-codegen-cli/target/swagger-codegen-cli.jar generate -i http://localhost:8000/v2/api-docs?group=v2/aicfve-sync -l csharp
由于当前版本的Unity支持.Net Standard 2.0标准。则所有代码不能默认生成csharp代码，将会导致问题的发生。
todo：
todo:
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