# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/cm3xcmq
Gin 如何實現跨域**
什麼叫做跨域    "跨域" 是一個網絡安全的概念,起源於瀏覽器的同源策略。同源策略是一種約定,它是由網景(Netscape)公司提出的一個重要的安全策略。所謂同源是指 "協議 + 域名 + 端口號" 三者相同,只要不同時,就算是不同源。    換句話說,"跨域" 指的是從一個域名的網頁去請求另一個域名的資源。例如,"http://website1.com" 的網頁通過 Ajax 獲取 "http ⌘ Read more