谷歌地图API即将收费

<p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　Google地理开发博客宣布，谷歌地图API（Google Maps API）将不再免费提供，当用户调用谷歌地图API超过一定限制，将会按照超出的次数来收取费用，费用是每一千次调用4-10美元左右。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　<strong>对开发商的影响</strong></p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　Google建议使用<a style="color: rgb(78, 10, 19); text-decoration: underline;" href="http://www.williamlong.info/archives/633.html" target="_blank">Google Maps API</a>的开发商，需要评估一下调用谷歌地图的用法，确认他们的服务是否受到影响。如果调用次数超过限制，则需要：</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　1、降低调用Google Maps API的次数，将其限制在每天二万五千次以下。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　2、根据超出的调用次数支付一定费用。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　3、购买Google Maps API的高级许可证。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: center; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;"><img style="padding: 4px; border: 1px="1px"  solid="solid"  rgb(213, 212, 205); clear: both; float: none;" alt="谷歌地图API即将收费" src="http://www.williamlong.info/upload/2866_1.jpg"/></p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　<strong>谷歌地图调用限制</strong></p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　免费的<a style="color: rgb(78, 10, 19); text-decoration: underline;" href="http://www.williamlong.info/archives/1811.html" target="_blank">谷歌地图API</a>用户依旧可以在限制范围内继续免费使用，具体的调用限制是：</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　1、每天地图API调用次数少于25000次。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　2、每天彩色地图（Styled Maps）的调用次数少于2500次。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　<strong>收费标准</strong></p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　Google在地图API的<a style="color: rgb(78, 10, 19); text-decoration: underline;" href="http://code.google.com/intl/en/apis/maps/faq.html" target="_blank">FAQ</a>中列出了如下的收费标准：</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: center; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;"><strong></strong></p><table style="font: 14px="14px" /23px Simsun; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" border="1" align="center" sizcache="0" sizset="144"><tbody sizcache="0" sizset="144"><tr><th>服务</th><th style="text-align: right;">每天免费</th><th style="text-align: right;">超出后千次调用收费(美元)</th></tr><tr><td>JS Maps API v3</td><td style="text-align: right;">25,000</td><td style="text-align: right;">$4</td></tr><tr sizcache="0" sizset="144"><td sizcache="0" sizset="144">JS Maps API v3 styled maps</td><td style="text-align: right;">2,500</td><td style="text-align: right;">$4 / $8</td></tr><tr><td>Static Maps API</td><td style="text-align: right;">25,000</td><td style="text-align: right;">$4</td></tr><tr sizcache="0" sizset="145"><td sizcache="0" sizset="145">Static Maps API styled maps</td><td style="text-align: right;">2,500</td><td style="text-align: right;">$4 / $8</td></tr><tr><td>Street View Image API</td><td style="text-align: right;">25,000</td><td style="text-align: right;">$4</td></tr><tr><td>JS Maps API v2</td><td style="text-align: right;">25,000</td><td style="text-align: right;">$10</td></tr></tbody></table><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;"></p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　对于企业用户来说，购买<a style="color: rgb(78, 10, 19); text-decoration: underline;" href="http://www.google.com/enterprise/earthmaps/maps.html" target="_blank">Google Maps API Premier</a>应该是较为合算的选择，对于个人用户来说，可以登录<a style="color: rgb(78, 10, 19); text-decoration: underline;" href="https://code.google.com/apis/console/" target="_blank">Google APIs Console</a>来监控API的调用次数以及目前的访问次数，如果调用次数过高则需要采取一定措施。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　<strong>免费模式的商业化</strong></p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　对中国的消费者来说，付费习惯尚未养成。而对于资金实力不强的中小开发者来说，选择免费模式是发展的首选，然而，免费模式如果长期运营，无疑有个尴尬现实：服务提供商为大众贡献了优质的服务，投入了不少运营成本，却无法从中获得有意义的收入，来支撑服务的长期运营。</p><p style="font: 14px="14px" /23px Simsun; margin: 10px="10px"  0px="0px"  15px; padding: 0px; text-align: left; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; word-break: break-all; orphans: 2; widows: 2; background-color: rgb(246, 244, 233); -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;">　　世界上没有免费的午餐，免费模式是个美丽的陷阱。很多打着“免费”旗号的大公司，在投入大量资金，通过“免费”的模式拥有了足够多的用户，并取得了市场的垄断权之后，用户面临的可能是一个非常危险的状况，反垄断的重要性对于任何行业、任何企业都一样，哪怕是打着“不作恶”旗号的Google。</p>