Question

我正在使用gradle进行多项目构建。我有一个要求选择依赖项，取决于在命令行中注入的属性的条件。

场景1：

        dependencies {

            if( ! project.hasProperty("withsources")){


             compile 'com.xx.yy:x-u:1.0.2'

            }else{
              println " with sources"
              compile project (':x-u')
            }

        }

1。每当我执行 gradle run -Pwithsources

    it is printing "withsources"

2。但是对于渐变运行

    it is printing "withsources"

场景2：

        dependencies {

            if(  project.hasProperty("withsources")){


             compile 'com.xx.yy:x-u:1.0.2'

            }else{
              println " with sources"
              compile project (':x-u')
            }

        }

1。每当我执行 gradle run -Pwithsources

    it is not printing "withsources"

2。但是对于渐变运行

    it is not printing "withsources"

我不知道它总是进入else循环。任何人都可以在这里提供帮助。

Answer 1

在没有看到完整的build.gradle的情况下，我无法真正地说出您的问题所在，但您的一般做法是正确的。

这是一个对我有用的小例子：

function CSVToArray(strData, strDelimiter) {
  // Check to see if the delimiter is defined. If not,
  // then default to comma.
  strDelimiter = (strDelimiter || ",");

  // Create a regular expression to parse the CSV values.
  var objPattern = new RegExp(
    (
      // Delimiters.
      "(\\" + strDelimiter + "|\\r?\\n|\\r|^)" +

      // Quoted fields.
      "(?:\"([^\"]*(?:\"\"[^\"]*)*)\"|" +

      // Standard fields.
      "([^\"\\" + strDelimiter + "\\r\\n]*))"
    ),
    "gi"
  );

  // Create an array to hold our data. Give the array
  // a default empty first row.
  var arrData = [
    []
  ];

  // Create an array to hold our individual pattern
  // matching groups.
  var arrMatches = null;

  // Keep looping over the regular expression matches
  // until we can no longer find a match.
  while (arrMatches = objPattern.exec(strData)) {

    // Get the delimiter that was found.
    var strMatchedDelimiter = arrMatches[1];

    // Check to see if the given delimiter has a length
    // (is not the start of string) and if it matches
    // field delimiter. If id does not, then we know
    // that this delimiter is a row delimiter.
    if (
      strMatchedDelimiter.length &&
      strMatchedDelimiter !== strDelimiter
    ) {

      // Since we have reached a new row of data,
      // add an empty row to our data array.
      arrData.push([]);

    }

    var strMatchedValue;

    // Now that we have our delimiter out of the way,
    // let's check to see which kind of value we
    // captured (quoted or unquoted).
    if (arrMatches[2]) {

      // We found a quoted value. When we capture
      // this value, unescape any double quotes.
      strMatchedValue = arrMatches[2].replace(
        new RegExp("\"\"", "g"),
        "\""
      );

    } else {

      // We found a non-quoted value.
      strMatchedValue = arrMatches[3];
    }

    // Now that we have our value string, let's add
    // it to the data array.
    arrData[arrData.length - 1].push(strMatchedValue);
  }

  // Return the parsed data.
  return (arrData);
}
var res = CSVToArray("http://x.x.x.x/uploaded-img/location.csv", ",");
console.log(res);

没有财产：

So basically it displays the url since the first parameter were suppose to be the actual content of CSV and not the file location. 
My question how do I get the content of the csv so then I can parse it and add to some array.

具有属性：

plugins {
    id "java"
}

repositories {
    jcenter()
}

dependencies {
    if (project.hasProperty("gson")) {
        implementation "com.google.gson:gson:2.8.5"
    } else {
        implementation "org.fasterxml.jackson.core:jackson-core:2.9.0"
    }
}

是否可能在其他地方定义了 withsources ？像gradle.properties中一样？

gradle中的条件依赖

1 个答案: