以司美格鲁肽为代表的胰高血糖素样肽一类的减肥药热度一直不减,因此也带动了上游原料药企股价出现大涨的趋势,在6月6号诺泰生物股票出现涨停,圣诺生物截止到当天收盘为止涨幅约1.73%,瀚宇药业当天最高涨幅达到8.6
The UISearchDisplayController is very handy and implementing search is pretty straightforward. However, I bump into problem when, in my app, I want to display search result with empty search string b