<p class="shortdesc"></p> <table class="table" id="PHHD__table_rly_qvl_plb"><caption></caption><colgroup><col><col><col></colgroup><tbody class="tbody"> <tr class="row"> <td class="entry" rowspan="5"> <p class="p">头参</p> </td> <td class="entry"> <p class="p">Authorization</p> </td> <td class="entry"> <p class="p">用于验证请求合法性的认证信息。</p> <p class="p">使用场景：私有桶</p> </td> </tr> <tr class="row"> <td class="entry"> <p class="p">Content-Type</p> </td> <td class="entry"> <p class="p">HTTP请求内容类型。若不确定，请填写application/octet-stream</p> </td> </tr> <tr class="row"> <td class="entry"> <p class="p">Date</p> </td> <td class="entry"> <p class="p">请求发起的GMT时间，如Fri, 14 Jul 2017 09:06:22 GMT</p> </td> </tr> <tr class="row"> <td class="entry"> <p class="p">Content-Length</p> </td> <td class="entry"> <p class="p">RFC2616中定义的HTTP请求内容长度。</p> </td> </tr> <tr class="row"> <td class="entry"> <p class="p">Content-MD5</p> </td> <td class="entry"> <p class="p">内容的MD5值（非必须）</p> </td> </tr> </tbody></table>