<P>在ps中修改分辨率和色阶就可以,最好再改一下亮度对比度,在输出的时候尤其存jpg格式时,要注意Quality数值要大一些最好5以上,但此数值越大图片所占空间就越大~~</P><P>欧帮忙修了一下看是否清楚点了</P><P><img src="attachments/dvbbs/2005-7/200572518502023.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'attachments/dvbbs/2005-7/200572518502023.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></P>