(Nguyen Phuc Nguyen, VNN1) Lam sao soan thao duoc tieng Viet trong XML (font VNI-Times)? Va lam sao de internal XML parser cung nhu cac java parser vuot qua duoc loi exception khi dung phai file XML kieu nay?
(Nam Tran, VNN1)
De soan thao Tieng Viet trong XML thi rat don gian boi vi XML file la mot plain text do do ban co the mo no trong Word hoac wordpad roi chon tieng Viet (VNI-Times chang han) sau do nhap lieu binh thuong, nhung khi ban view no trong web chang han, ban se khong thay no hien thi dang dau tieng Viet.
Q. Tai sao vay?
A. Boi vi XML file chi dung de luu tru du lieu chu khong luu giu dinh dang.
Q. Vay lam sao co the hien thi noi dung trong XML file ra web co dau tieng Viet?
A. Rat don gian. Cu moi XML file ban hay tao mot file XSL tuong ung de dinh dang du lieu trong XML. Voi cach nay ban co the mem deo dinh dang du lieu trong XML file tuy y ban. Day la diem rat manh cua cua XML/XSL.
Q. Co tai lieu nao huong dan lam su dung XML/XSL hay khong?
Co rat nhieu, ban co the tham khao tai
http://www.alphaworks.ibm.com/tech/xml4rpg
http://www-4.ibm.com/software/developer/education/transforming-xml/transforming-xml-to-html/index.html
http://www.alphaworks.ibm.com/tech/xmitoolkit
Exception la han huu khong phai luc nao cung xay ra va cung vay khong co cach nao goi la hoan hao de exception khong xay ra nhung co mot dieu ban co the la duoc la "han che exception" bang cach:
1. Soan cac file XML, XSL cho dung cu phap va can tim mot cong cu tot de giup ban han che toi da cac loi co the xay ra (lien he voi ibm de hoi mua hoac download cac tool mien phi tai http://www.alphaworks.ibm.com/tech/visualx...lxmltools)
2. Chon XML parser on dinh nhat. Hien nay, toc do xu ly cua ibm XML parser duoc xem la nhanh nhat nhung do on dinh khong cao bang cua Sun. Theo y toi thi ban nen con XML parser cua Sun la tot nhat boi vi ngaoi tinh on dinh ra, tool nay co the parse nhung file XML voi dung luong lon > 50 MB voi thoi gian ngan nhat.Chuc thanh cong,
Nam Tran
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