项目如何生成模块关系图?

效果图如下

Gradle Task

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task projectDependencyGraph {
doLast {
def dot = new File(rootProject.buildDir, 'reports/dependency-graph/project.dot')
dot.parentFile.mkdirs()
dot.delete()

dot << 'digraph {\n'
dot << " graph [label=\"${rootProject.name}\\n \",labelloc=t,fontsize=30,ranksep=1.4];\n"
dot << ' node [style=filled, fillcolor="#bbbbbb"];\n'
dot << ' rankdir=TB;\n'

def rootProjects = []
def queue = [rootProject]
while (!queue.isEmpty()) {
def project = queue.remove(0)
rootProjects.add(project)
queue.addAll(project.childProjects.values())
}

def projects = new LinkedHashSet<Project>()
def dependencies = new LinkedHashMap<Tuple2<Project, Project>, List<String>>()
def multiplatformProjects = []
def jsProjects = []
def androidProjects = []
def javaProjects = []

queue = [rootProject]
while (!queue.isEmpty()) {
def project = queue.remove(0)
queue.addAll(project.childProjects.values())

if (project.plugins.hasPlugin('org.jetbrains.kotlin.multiplatform')) {
multiplatformProjects.add(project)
}
if (project.plugins.hasPlugin('org.jetbrains.kotlin.js')) {
jsProjects.add(project)
}
if (project.plugins.hasPlugin('com.android.library') || project.plugins.hasPlugin('com.android.application')) {
androidProjects.add(project)
}
if (project.plugins.hasPlugin('java-library') || project.plugins.hasPlugin('java')) {
javaProjects.add(project)
}

project.configurations.all { config ->
config.dependencies
.withType(ProjectDependency)
.collect { it.dependencyProject }
.each { dependency ->
projects.add(project)
projects.add(dependency)
rootProjects.remove(dependency)

def graphKey = new Tuple2<Project, Project>(project, dependency)
def traits = dependencies.computeIfAbsent(graphKey) { new ArrayList<String>() }

if (config.name.toLowerCase().endsWith('implementation')) {
traits.add('style=dotted')
}
}
}
}

projects = projects.sort { it.path }

dot << '\n # Projects\n\n'
for (project in projects) {
def traits = []

if (rootProjects.contains(project)) {
traits.add('shape=box')
}

if (multiplatformProjects.contains(project)) {
traits.add('fillcolor="#ffd2b3"')
} else if (jsProjects.contains(project)) {
traits.add('fillcolor="#ffffba"')
} else if (androidProjects.contains(project)) {
traits.add('fillcolor="#baffc9"')
} else if (javaProjects.contains(project)) {
traits.add('fillcolor="#ffb3ba"')
} else {
traits.add('fillcolor="#eeeeee"')
}

dot << " \"${project.path}\" [${traits.join(", ")}];\n"
}

dot << '\n {rank = same;'
for (project in projects) {
if (rootProjects.contains(project)) {
dot << " \"${project.path}\";"
}
}
dot << '}\n'

dot << '\n # Dependencies\n\n'
dependencies.forEach { key, traits ->
dot << " \"${key.first.path}\" -> \"${key.second.path}\""
if (!traits.isEmpty()) {
dot << " [${traits.join(", ")}]"
}
dot << '\n'
}

dot << '}\n'

def p = 'dot -Tpng -O project.dot'.execute([], dot.parentFile)
p.waitFor()
if (p.exitValue() != 0) {
throw new RuntimeException(p.errorStream.text)
}

println("Project module dependency graph created at ${dot.absolutePath}.png")
}
}

依赖安装

生成的项目依赖描述文件转图片,依赖 graphviz,需要手动安装一下

  • Linux, 根于包管理器自选
    • apt install graphviz
    • yum install graphviz
  • Mac,根于包管理器自选
    • port install graphviz
    • brew install graphviz

来源