ant编译报错“xxx does not exist”_JAVA_编程开发_程序员俱乐部

class="java">
Compiling 3 source files to E:\WorkSpace\util\build
    [javac] E:\WorkSpace\util\src\java\com\util\DateFormatter.java:14: package org.joda.time does not exist
    [javac] import org.joda.time.DateTime;

cannot find symbol
    [javac] symbol  : class DateTime
    [javac] location: class com.spokesoft.util.DateFormatter
    [javac]         DateTime dt = new DateTime(localDate.getTime());