请教float 类型 从数据库里取出来,为string类型,在转换为int整型,如何处理?产品的价格是float类型,展示出来为float类型,如何转换为整型?<% //数据库里保存的类型就为varchar。 String str = "123.45"; out.println(Float.parseFloat(str));//out.println(Integer.parseInt(str)); //报告错误 //The method parseInt(String, int) in the type Integer is not applicable for the arguments (float) out.println("<hr>"); float f = 67.89; out.println(String.valueOf(f)); %>
String str = "12345";
out.println(Float.parseFloat(str));
out.println("<hr>");
float f = 6789;
out.println(String.valueOf(f));
%>
//数据库里保存的类型就为varchar。
String str = "123.45";
out.println(Float.parseFloat(str));//out.println(Integer.parseInt(str));
//报告错误
//The method parseInt(String, int) in the type Integer is not applicable for the arguments (float)
out.println("<hr>");
float f = 67.89;
out.println(String.valueOf(f));
%>