{"id":1012,"date":"2011-05-27T04:20:35","date_gmt":"2011-05-27T04:20:35","guid":{"rendered":"http:\/\/drtu.com\/blog\/?p=1012"},"modified":"2011-05-27T04:20:35","modified_gmt":"2011-05-27T04:20:35","slug":"%e6%a0%b9%e6%8d%ae%e4%b8%a4%e7%82%b9%e7%bb%8f%e7%ba%ac%e5%ba%a6%e8%ae%a1%e7%ae%97%e5%9c%b0%e7%90%83%e8%a1%a8%e9%9d%a2%e4%b8%a4%e7%82%b9%e9%97%b4%e7%9a%84%e8%b7%9d%e7%a6%bbzt","status":"publish","type":"post","link":"https:\/\/drnantu.com\/blog\/2011\/05\/27\/%e6%a0%b9%e6%8d%ae%e4%b8%a4%e7%82%b9%e7%bb%8f%e7%ba%ac%e5%ba%a6%e8%ae%a1%e7%ae%97%e5%9c%b0%e7%90%83%e8%a1%a8%e9%9d%a2%e4%b8%a4%e7%82%b9%e9%97%b4%e7%9a%84%e8%b7%9d%e7%a6%bbzt","title":{"rendered":"\u6839\u636e\u4e24\u70b9\u7ecf\u7eac\u5ea6\u8ba1\u7b97\u5730\u7403\u8868\u9762\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb(ZT)"},"content":{"rendered":"

\u73b0\u5728\u57fa\u4e8e\u5730\u7406\u4fe1\u606f\u7684\u5e94\u7528\u5f88\u706b\uff0c\u65e0\u8bba\u662f\u4ecegoogle map\u4e0a\u83b7\u53d6\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff0c\u8fd8\u662f\u901a\u8fc7iphone\u6216Android\u8fd9\u7c7b\u62e5\u6709GPS\u6a21\u5757\u7684\u79fb\u52a8\u7ec8\u7aef\u83b7\u53d6\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff0c\u90fd\u662f\u5341\u8fdb\u5236\u7684\u7ecf\u7eac\u5ea6\u4fe1\u606f\u3002\u5728\u6211\u4eec\u505a\u5b9e\u9645\u5e94\u7528\u65f6\u53ef\u80fd\u9700\u8981\u8ba1\u7b97\u5728\u5730\u7403\u8868\u9762\u67d0\u4e24\u70b9\u95f4\u7684\u8ddd\u79bb\uff0c\u8fd9\u91cc\u4ee5JavaScript\u4e3a\u793a\u4f8b\u8bed\u8a00\uff0c\u63d0\u4f9b\u8ba1\u7b97\u65b9\u6cd5\uff0c\u8fd9\u4e5f\u662fgoogle map\u6240\u91c7\u7528\u7684\u8ba1\u7b97\u65b9\u6cd5\u3002<\/p>\n

1. \u5341\u8fdb\u5236\u7ecf\u7eac\u5ea6\u8f6c\u5ea6\u3001\u5206\u3001\u79d2
\nview plaincopy to clipboardprint?<\/p>\n

1. function dec2deg(dec){
\n 2. var dec = Math.abs(dec) + “”;
\n 3. dec = dec.split(“.”);
\n 4.
\n 5. var deg = dec[0];
\n 6.
\n 7. dec[1] = “0.”+ dec[1];
\n 8. var min_sec = dec[1] * 3600;
\n 9. var min = Math.floor( min_sec \/ 60 );
\n 10. var sec = ( min_sec – ( min * 60 ) ) ;
\n 11.
\n 12. return [deg, min, sec];
\n 13. } <\/p>\n

function dec2deg(dec){
\n var dec = Math.abs(dec) + “”;
\n dec = dec.split(“.”);<\/p>\n

var deg = dec[0];<\/p>\n

dec[1] = “0.”+ dec[1];
\n var min_sec = dec[1] * 3600;
\n var min = Math.floor( min_sec \/ 60 );
\n var sec = ( min_sec – ( min * 60 ) ) ;<\/p>\n

return [deg, min, sec];
\n}<\/p>\n

2. \u5ea6\u3001\u5206\u3001\u79d2\u8f6c\u5341\u8fdb\u5236\u7ecf\u7eac\u5ea6
\nview plaincopy to clipboardprint?<\/p>\n

1. function deg2dec(deg, min, sec){
\n 2. var deg = Math.abs(deg);
\n 3. var min = Math.abs(min);
\n 4. var sec = Math.abs(sec);
\n 5. return deg * 1 + ( sec * 1 + min * 60 )\/3600 ;
\n 6. } <\/p>\n

function deg2dec(deg, min, sec){
\n var deg = Math.abs(deg);
\n var min = Math.abs(min);
\n var sec = Math.abs(sec);
\n return deg * 1 + ( sec * 1 + min * 60 )\/3600 ;
\n}<\/p>\n

3. \u8ba1\u7b97\u4e24\u70b9\u95f4\u8ddd\u79bb
\nview plaincopy to clipboardprint?<\/p>\n

1. \/\/ \u5f27\u5ea6\u8f6c\u6362
\n 2. function rad(d){
\n 3. return d * Math.PI \/ 180.0;
\n 4. }
\n 5.
\n 6. \/\/ \u8ba1\u7b97\u8ddd\u79bb\uff0c\u7ed3\u679c\u7684\u5355\u4f4d\u4e3a\u5343\u7c73\uff08km\uff09
\n 7. function calDistance(lat1, lng1, lat2, lng2){
\n 8. if( ( Math.abs( lat1 ) > 90 ) ||( Math.abs( lat2 ) > 90 ) )
\n 9. return false;
\n 10.
\n 11. if( ( Math.abs( lng1 ) > 180 ) ||( Math.abs( lng2 ) > 180 ) )
\n 12. return false;
\n 13.
\n 14. var radLat1 = rad(lat1);
\n 15. var radLat2 = rad(lat2);
\n 16. var a = radLat1 – radLat2;
\n 17. var b = rad(lng1) – rad(lng2);
\n 18. var s = 2 * Math.asin(
\n 19. Math.sqrt(
\n 20. Math.pow( Math.sin( a\/2 ), 2 ) + Math.cos( radLat1 ) * Math.cos( radLat2 ) *
\n 21. Math.pow( Math.sin( b\/2 ), 2 )
\n 22. )
\n 23. );
\n 24. s = s * 6378.137 ; \/\/ \u5730\u7403\u534a\u5f84 6378.137
\n 25. s = Math.round(s * 10000) \/ 10000;
\n 26. return s;
\n 27. }
\n\u51fa\u5904<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\u73b0\u5728\u57fa\u4e8e\u5730\u7406\u4fe1\u606f\u7684\u5e94\u7528\u5f88\u706b\uff0c\u65e0\u8bba\u662f\u4ecegoogle map\u4e0a\u83b7\u53d6\u7684\u5730\u7406\u4f4d\u7f6e\u4fe1\u606f\uff0c\u8fd8\u662f\u901a\u8fc7iphone\u6216Andro […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[779,778,780,781],"class_list":["post-1012","post","type-post","status-publish","format-standard","hentry","category-13","tag-779","tag-778","tag-780","tag-781"],"_links":{"self":[{"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/posts\/1012","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/comments?post=1012"}],"version-history":[{"count":1,"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/posts\/1012\/revisions"}],"predecessor-version":[{"id":1013,"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/posts\/1012\/revisions\/1013"}],"wp:attachment":[{"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/media?parent=1012"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/categories?post=1012"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drnantu.com\/blog\/wp-json\/wp\/v2\/tags?post=1012"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}