commons-scan/src/main/java/com/xiongyingqi/util/PackageScanner.java
public PackageScanner addPackage(String pkg) {
        Package aPackage = Package.getPackage(pkg);
        addPackage(aPackage);
        return this;
    }
public PackageScanner addPackage(String pkg) {
        Package aPackage = Package.getPackage(pkg);
        addPackage(aPackage);
        return this;
    }
增加扫描的包

@param pkg
@return