【转】log4j详细配置汇总

原文地址：http://www.codeceo.com/article/log4j-usage.html
原文地址：https://blog.youkuaiyun.com/iteye_6480/article/details/82512288?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522158379607419724835813142%2522%252C%2522scm%2522%253A%252220140713.130056874…%2522%257D&request_id=158379607419724835813142&biz_id=0&utm_source=distribute.pc_search_result.none-task
原文地址：https://blog.youkuaiyun.com/projectNo/article/details/79411464