如果Eclipse新导入jar项目(zip)变红

旺达泥网2019-10-28网络技术1575

解决方案:

        把java的类库加载进去

                在工程上右键选择属性->

                Java Build Path的Libraries->

                Add Library选择JRE System Library->

                点击Next->

                选择Execution environment并选择版本或workspace default jre->

                点击Finish