1: Case
1: Create a user class
2: the data provided in the four domain jsp
3: java code to get data from four fields
el obtain two kinds of expression data from the four expression simplifies the code domain :( 3)
1: Case
1: Create a user class
2: the data provided in the four domain jsp
3: java code to get data from four fields
el obtain two kinds of expression data from the four expression simplifies the code domain :( 3)