常量字段值 (basic 1.0.3 API)

net.oschina.*

net.oschina.suyeer.basic.util.BConstUtil
限定符和类型	常量字段	值
`public static final String`	`CONTENT_TYPE_APPLICATION_JSON`	`"application/json"`
`public static final String`	`DEFAULT_ENCODE`	`"UTF-8"`