SPEL表達式

說到SPEL表達式，就容易聯想到EL表達式，EL表達式是JSP的，使用起來非常方便，關於EL表達式不記得的同學去翻翻下面這個網址https://www.runoob.com/jsp/jsp-expression-language.html

下面這個博主的文章記錄的比較詳細，比起其他的看上去通俗易懂的多了

https://blog.csdn.net/javaloveiphone/article/details/60145336?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522158703367319724811835925%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.57649%2522%257D&request_id=158703367319724811835925&biz_id=0&utm_source=distribute.pc_search_result.none-task-blog-2~all~first_rank_v2~rank_v25-1