buffer offset

基本解釋

Gets the portion of the HTTP request body that has currently been read by using the specified buffer data and byte offset.
使用指定的緩沖區(qū)數(shù)據(jù)和字節(jié)偏移量獲取 HTTP 請(qǐng)求正文儅前已被讀取的部分。
For better memory usage, a version of writeCharacters that takes a char buffer with offset and length (rather than a String object) is provided.
爲(wèi)了更好地使用內(nèi)存，還提供了 writeCharacters 的一個(gè)版本，它包含一個(gè)帶有偏移量和長(zhǎng)度（而不是 String 對(duì)象）的 char 緩沖器。
public int getRecord(int recordId, byte[] buffer, int offset) returns the data stored in the given record in the byte array represented by buffer.
public int getRecord(int recordId, byte[] buffer, int offset)返廻存儲(chǔ)在由 buffer代表的字節(jié)數(shù)組中給定記錄的數(shù)據(jù)。