aspnet responsewrite乱码_responsebody返回json_框架设response乱码(14)

Returns the object bound with the specified name in this session, or null if no object is bound under the name.如果属性不存在，则返回null。

3.void setAttribute(java.lang.String name, java.lang.Object value)

Binds an object to this session, using the name specified.

4.java.lang.String getId()

Returns a string containing the unique identifier assigned to this session.

5.void removeAttribute(java.lang.String name)

Removes the object bound with the specified name from this session

6.void invalidate()

Invalidates this session then unbinds any objects bound to it.设置session失效，并解绑对应的属性。

7.void setMaxInactiveInterval(int interval)

Specifies the time, in seconds, between client requests before the servlet container will invalidate this session.设置会话的最大持续时间，单位是秒。负数表明会话永不失效。

8.int getMaxInactiveInterval()

Returns the maximum time interval, in seconds, that the servlet container will keep this session open between client accesses.

9.long getLastAccessedTime()

Returns the last time the client sent a request associated with this session, as the number of milliseconds since midnight January 1, 1970 GMT, and marked by the time the container received the request.

long getCreationTime()

Returns the time when this session was created, measured in milliseconds since midnight January 1, 1970 GMT.

注：

一般使用

Date(long date)

Allocates a Date object and initializes it to represent the specified number of milliseconds since the standard base time known as "the epoch", namely January 1, 1970, 00:00:00 GMT.

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