我想发明一个系统来动态发现子项目并自动将它们聚合到我的项目中。或者至少以某种方式配置它。
要做到这一点，我计划拥有一个＆＃34;模块＆＃34;文件夹或包含模块路径的可选配置文件。
在任何情况下，我都需要遍历子文件夹（或循环遍历配置文件中的路径列表），并聚合每个子项目。我不知道该怎么做。
目前，我正在使用build.sbt文件在Play框架中构建。我需要像这样添加循环：
name := "mysite"
version := "1.0"
scalaVersion := "2.11.1"
lazy val root = (project in file(".")).enablePlugins(PlayJava)
//pseudocode:
foreach( folder in the 'modules' folder) {
lazy val module = (project in file(folder)).enablePlugins(PlayJava)
root = root.dependsOn(module).aggregate(module)
}
有办法做到这一点吗？
编辑3： 这里的代码几乎可以工作：
object MyBuild extends Build {
name := "mysite"
version := "1.0"
scalaVersion := "2.11.6"
var m = new File("modules")
var list = Seq[ProjectReference]()
var deps = Seq[ClasspathDependency]()
if (m.exists) {
val subs = m.listFiles.filter ( _.isDirectory ).foreach { folder =>
var modulePath = new File("modules", folder.getName)
println("Found module " + modulePath)
lazy val module:ProjectRef = ProjectRef(modulePath,folder.getName)
lazy val dep:ClasspathDependency = ClasspathDependency(module, None)
list = list :+ module
deps = deps :+ dep
}
}
lazy val root = Project(id = "mysite", base = file(".")).enablePlugins(PlayJava).aggregate(list:_*).dependsOn(deps:_*)
}
编辑4：
请参阅下面的Dale Wijnand解决方案。
关于错误：RuntimeException: No project 'myModule' in 'file:/Users/me/mysite/modules/myModule'。我使用https://stackoverflow.com/a/28820578
答案 0 :(得分：2)
下面：
<强>项目/ Build.scala
import sbt._
import sbt.Keys._
import play.sbt._
import play.sbt.Play.autoImport._
object Build extends Build {
val commonSettings: Seq[Setting[_]] = Seq(
scalaVersion := "2.11.7"
)
lazy val modules = (file("modules") * DirectoryFilter).get.map { dir =>
Project(dir.getName, dir).enablePlugins(PlayJava).settings(commonSettings: _*)
}
lazy val root = (project in file("."))
.enablePlugins(PlayJava)
.settings(
name := "mysite",
version := "1.0"
)
.settings(commonSettings: _*)
.dependsOn(modules map (m => m: ClasspathDependency): _*)
.aggregate(modules map (m => m: ProjectReference): _*)
override lazy val projects = root +: modules
}
请注意，请确保模块目录不包含build.sbt个文件，将其定义为项目，因为这会导致RuntimeException: No project 'x' in 'file:/x'类型异常混淆，请参阅Can't use sbt 0.13.7 with Play subprojects
答案 1 :(得分：0)
您可以尝试这样的事情：
<!--Checkout Modal Start -->
<div class = "modal fade" id = "checkoutModal" tabindex = "-1" role = "dialog" aria-labelledby = "checkoutModalLabel" aria-hidden = "true" data-backdrop = "static">
<div class = "modal-dialog">
<div class = "modal-content">
<form action = "index.html" method = "post" id = "checkout-form" name = "checkout-form">
<!--Modal header start -->
<div class = "modal-header">
<button type = "button" class = "close" data-dismiss = "modal" aria-hidden = "true">×
</button>
<h4 class = "modal-title" id = "myModalLabel">Complete reservation</h4>
</div>
<!--Modal header end -->
<!--Modal body start -->
<div class = "modal-body">
<!--Checkout Info start -->
<div class = "checkout-info-box">
<h3><i class = "fa fa-info-circle"></i> Upon completing this reservation enquiry, you will receive::</h3>
<p>Your rental voucher to produce on arrival at the rental desk and a toll-free customer support number.</p>
</div>
<!--Checkout Info end -->
<!--Checkout Rental Info start -->
<div class = "checkout-vehicle-info">
<div class = "location-date-info">
<h3>Location & Date</h3>
<div class = "info-box">
<span class = "glyphicon glyphicon-calendar"></span>
<h4 class = "info-box-title">Pick-Up Time</h4>
<p class = "info-box-description"><span id = "pick-up-date-ph"></span> at <span id = "pick-up-time-ph"></span></p>
<input type = "hidden" name = "pick-up" id = "pick-up" value = "">
</div>
<div class = "info-box">
<span class = "glyphicon glyphicon-calendar"></span>
<h4 class = "info-box-title">Drop-Off Time</h4>
<p class = "info-box-description"><span id = "drop-off-date-ph"></span> at <span id = "drop-off-time-ph"></span></p>
<input type = "hidden" name = "drop-off" id = "drop-off" value = "">
</div>
<div class = "info-box">
<span class = "glyphicon glyphicon-map-marker"></span>
<h4 class = "info-box-title">Pick-Up Location</h4>
<p class = "info-box-description" id = "pickup-location-ph"></p>
<input type = "hidden" name = "pickup-location" id = "pickup-location" value = "">
</div>
<div class = "info-box">
<span class = "glyphicon glyphicon-map-marker"></span>
<h4 class = "info-box-title">Drop-Off Location</h4>
<p class = "info-box-description" id = "dropoff-location-ph"></p>
<input type = "hidden" name = "dropoff-location" id = "dropoff-location" value = "">
</div>
</div>
<div class = "vehicle-info">
<h3>CAR: <span id = "selected-car-ph"></span></h3> <a href = "#vehicles" class = "scroll-to">[Vehicle Models]</a>
<input type = "hidden" name = "selected-car" id = "selected-car" value = "">
<div class = "clearfix"></div>
<div class = "vehicle-image">
<img class = "img-responsive" id = "selected-vehicle-image" src = "#" alt = "Vehicle">
</div>
</div>
<div class = "clearfix"></div>
</div>
<!--Checkout Rental Info end -->
<hr>
<!--Checkout Personal Info start -->
<div class = "checkout-personal-info">
<div class = "alert hidden" id = "checkout-form-msg">
test
</div>
<h3>PERSONAL INFORMATION</h3>
<div class = "form-group left">
<label for = "first-name">First Name:</label>
<input type = "text" class = "form-control" name = "first-name" id = "first-name" placeholder = "Enter your first name">
</div>
<div class = "form-group right">
<label for = "last-name">Last Name:</label>
<input type = "text" class = "form-control" name = "last-name" id = "last-name" placeholder = "Enter your last name">
</div>
<div class = "form-group left">
<label for = "phone-number">Phone Number:</label>
<input type = "text" class = "form-control" name = "phone-number" id = "phone-number" placeholder = "Enter your phone number">
</div>
<div class = "form-group right age">
<label for = "age">Age:</label>
<div class = "styled-select-age">
<select name = "age" id = "age">
<option value = "18">18</option>
<option value = "19">19</option>
<option value = "20">20</option>
<option value = "21">21</option>
<option value = "22">22</option>
<option value = "23">23</option>
<option value = "24">24</option>
<option value = "25">25</option>
<option value = "26">26</option>
<option value = "27">27</option>
<option value = "28">28</option>
<option value = "29">29</option>
<option value = "30">30</option>
<option value = "31">31</option>
<option value = "32">32</option>
<option value = "33">33</option>
<option value = "34">34</option>
<option value = "35">35</option>
<option value = "36">36</option>
<option value = "37">37</option>
<option value = "38">38</option>
<option value = "39">39</option>
<option value = "40">40</option>
<option value = "41">41</option>
<option value = "42">42</option>
<option value = "43">43</option>
<option value = "44">44</option>
<option value = "45">45</option>
<option value = "46">46</option>
<option value = "47">47</option>
<option value = "48">48</option>
<option value = "49">49</option>
<option value = "50">50</option>
<option value = "51">51</option>
<option value = "52">52</option>
<option value = "53">53</option>
<option value = "54">54</option>
<option value = "55">55</option>
<option value = "56">56</option>
<option value = "57">57</option>
<option value = "58">58</option>
<option value = "59">59</option>
<option value = "50">50</option>
<option value = "61">61</option>
<option value = "62">62</option>
<option value = "63">63</option>
<option value = "64">64</option>
<option value = "65">65</option>
<option value = "66">66</option>
<option value = "67">67</option>
<option value = "68">68</option>
<option value = "69">69</option>
<option value = "70">70</option>
<option value = "71">71</option>
<option value = "72">72</option>
<option value = "73">73</option>
<option value = "74">74</option>
<option value = "75">75</option>
<option value = "76">76</option>
<option value = "77">77</option>
<option value = "78">78</option>
<option value = "79">79</option>
<option value = "80">80</option>
<option value = "81">81</option>
<option value = "82">82</option>
<option value = "83">83</option>
<option value = "84">84</option>
<option value = "85">85</option>
<option value = "86">86</option>
<option value = "87">87</option>
<option value = "88">88</option>
<option value = "89">89</option>
<option value = "90">90</option>
<option value = "91">91</option>
<option value = "92">92</option>
<option value = "93">93</option>
<option value = "94">94</option>
<option value = "95">95</option>
<option value = "96">96</option>
<option value = "97">97</option>
<option value = "98">98</option>
<option value = "99">99</option>
<option value = "100">100</option>
</select>
</div>
</div>
<div class = "form-group left">
<label for = "email-address">Email:</label>
<input type = "email" class = "form-control" name = "email-address" id = "email-address" placeholder = "Enter your email address">
</div>
<div class = "form-group right">
<label for = "email-address-confirm">Confirm Email Address:</label>
<input type = "email" class = "form-control" name = "email-address-confirm" id = "email-address-confirm" placeholder = "Confirm your email address">
</div>
<div class = "clearfix"></div>
</div>
<!--Checkout Personal Info end -->
<!--Checkout Address Info start -->
<div class = "checkout-address-info">
<div class = "form-group address">
<label for = "address">Address</label>
<input type = "text" class = "form-control" name = "address" id = "address" placeholder = "Enter your Street an No.">
</div>
<div class = "form-group city">
<label for = "city">City</label>
<input type = "text" class = "form-control" name = "city" id = "city" placeholder = "Enter your City">
</div>
<div class = "form-group zip-code">
<label for = "zip-code">Zip Code</label>
<input type = "text" class = "form-control" name = "zip-code" id = "zip-code" placeholder = "Enter your Zip Code">
</div>
<div class = "clearfix"></div>
</div>
<!--Checkout Address Info end -->
<div class = "newsletter">
<div class = "form-group">
<div class = "checkbox">
<input id = "check1" type = "checkbox" name = "newsletter" value = "yes">
<label for = "check1">Please send me latest news and updates</label>
</div>
</div>
</div>
</div>
<!--Modal body end -->
<!--Modal footer start -->
<div class = "modal-footer">
<span class = "btn-border btn-gray">
<button type = "button" class = "btn btn-default btn-gray" data-dismiss = "modal">Cancel</button>
</span>
<span class = "btn-border btn-yellow">
<button type="submit" class="btn btn-primary btn-yellow">Reserve now</button>
</span>
</div>
<!--Modal footer end -->
</form>
</div>
</div>
</div>
<!--Checkout Modal end -->注意：受Dale的回答启发，但我不得不删除“commonSettings”，否则它对我不起作用。