12源码数据可视化：基于 Echarts + Java SpringBoot 实现的动态实时大屏范例-供应商大屏.zip

package com.datav.bigscreen.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.bind.annotation.PathVariable; import java.io.*; /** * 返回json格式 * @author user * */ @RestController @RequestMapping("/json") public class Process { @RequestMapping("/{filename}") public String json(@PathVariable("filename") String filename) throws Exception { System.out.println(filename); ChangeJSON(filename); String jsonStr = readJSON(filename); System.out.println(jsonStr); return jsonStr; } public void ChangeJSON(String filename) throws Exception { System.out.println("正在访问:" + filename); if (filename.equals("bar_ROA.json")) { int max=100, min=1; String objectStr = String.format("{\"xAxis\": {\"data\": [\"01\", \"02\", \"03\", \"04\", \"05\", \"06\", \"07\", \"08\", \"09\", \"10\"]}, \"series\": [{\"data\": [%d, %d, %d, %d, %d, %d, %d, %d, %d, %d]}]}", (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min), (int) (Math.random()*(max-min)+min)); System.out.println(objectStr); StringWrite(filename, objectStr); }else if (filename.equals("geo_map_world.json")) { int max=1000, min=1; String objectStr = String.format("[{\"name\": \"Afghanistan\", \"value\": %d}, {\"name\": \"Angola\", \"value\": %d}, {\"name\": \"Albania\", \"value\": %d}, {\"name\": \"United Arab Emirates\", \"value\": %d}, {\"name\": \"Argentina\", \"value\": %d}, {\"name\": \"Armenia\", \"value\": %d}, {\"name\": \"French Southern and Antarctic Lands\", \"value\": %d}, {\"name\": \"Australia\", \"value\": %d}, {\"name\": \"Austria\", \"value\": %d}, {\"name\": \"Azerbaijan\", \"value\": %d}, {\"name\": \"Burundi\", \"value\": 156}, {\"name\": \"Belgium\", \"value\": 197}, {\"name\": \"Benin\", \"value\": 456}, {\"name\": \"Burkina Faso\", \"value\": 311}, {\"name\": \"Bangladesh\", \"value\": 81}, {\"name\": \"Bulgaria\", \"value\": 542}, {\"name\": \"The Bahamas\", \"value\": 523}, {\"name\": \"Bosnia and Herzegovina\", \"value\": 569}, {\"name\": \"Belarus\", \"value\": 809}, {\"name\": \"Belize\", \"value\": 661}, {\"name\": \"Bermuda\", \"value\": 698}, {\"name\": \"Bolivia\", \"value\": 633}, {\"name\": \"Brazil\", \"value\": 416}, {\"name\": \"Brunei\", \"value\": 834}, {\"name\": \"Bhutan\", \"value\": 178}, {\"name\": \"Botswana\", \"value\": 180}, {\"name\": \"Central African Republic\", \"value\": 109}, {\"name\": \"Canada\", \"value\": 212}, {\"name\": \"Switzerland\", \"value\": 314}, {\"name\": \"Chile\", \"value\": 597}, {\"name\": \"China\", \"value\": 758}, {\"name\": \"Ivory Coast\", \"value\": 673}, {\"name\": \"Cameroon\", \"value\": 90}, {\"name\": \"Democratic Republic of the Congo\", \"value\": 822}, {\"name\": \"Republic of the Congo\", \"value\": 434}, {\"name\": \"Colombia\", \"value\": 399}, {\"name\": \"Costa Rica\", \"value\": 208}, {\"name\": \"Cuba\", \"value\": 720}, {\"name\": \"Northern Cyprus\", \"value\": 943}, {\"name\": \"Cyprus\", \"value\": 569}, {\"name\": \"Czech Republic\", \"value\": 95}, {\"name\": \"Germany\", \"value\": 98}, {\"name\": \"Djibouti\", \"value\": 577}, {\"name\": \"Denmark\", \"value\": 872}, {\"name\": \"Dominican Republic\", \"value\": 497}, {\"name\": \"Algeria\", \"value\": 165}, {\"name\": \"Ecuador\", \"value\": 794}, {\"name\": \"Egypt\", \"value\": 102}, {\"name\": \"Eritrea\", \"value\": 110}, {\"name\": \"Spain\", \"value\": 369}, {\"name\": \"Estonia\", \"value\": 190}, {\"name\": \"Ethiopia\", \"value\": 265}, {\"name\": \"Finland\", \"value\": 850}, {\"name\": \"Fiji\", \"value\": 812}, {\"name\": \"Falkland Islands\", \"value\": 699}, {\"name\": \"France\", \"value\": 330}, {\"name\": \"Gabon\", \"value\": 887}, {\"name\": \"United Kingdom\", \"value\": 772}, {\"name\": \"Georgia\", \"value\": 436}, {\"name\": \"Ghana\", \"value\": 574}, {\"name\": \"Guinea\", \"value\": 998}, {\"name\": \"Gambia\", \"value\": 225}, {\"name\": \"Guinea Bissau\", \"value\": 972}, {\"name\": \"Equatorial Guinea\", \"value\": 806}, {\"name\": \"Greece\", \"value\": 522}, {\"name\": \"Greenland\", \"value\": 876}, {\"name\": \"Guatemala\", \"value\": 217}, {\"name\": \"French Guiana\", \"value\": 830}, {\"name\": \"Guyana\", \"value\": 173}, {\"name\": \"Honduras\", \"value\": 245}, {\"name\": \"Croatia\", \"value\": 591}, {\"name\": \"Haiti\", \"value\": 57}, {\"name\": \"Hungary\", \"value\": 530}, {\"name\": \"Indonesia\", \"value\": 566}, {\"name\": \"India\", \"value\": 850}, {\"name\": \"Ireland\", \"value\": 445}, {\"name\": \"Iran\", \"value\": 179}, {\"name\": \"Iraq\", \"value\": 720}, {\"name\": \"Iceland\", \"value\": 530}, {\"name\": \"Israel\", \"value\": 396}, {\"name\": \"Italy\", \"value\": 702}, {\"name\": \"Jamaica\", \"value\": 641}, {\"name\": \"Jordan\", \"value\": 405}, {\"name\": \"Japan\", \"value\": 570}, {\"name\": \"Kazakhstan\", \"value\": 864}, {\"name\": \"Kenya\", \"value\": 466}, {\"name\": \"Kyrgyzstan\", \"value\": 346}, {\"name\": \"Cambodia\", \"value\": 277}, {\"name\": \"South Korea\", \"value\": 218}, {\"name\": \"Kosovo\", \"value\": 425}, {\"name\": \"Kuwait\", \"value\": 945}, {\"name\": \"Laos\", \"value\": 870}, {\"name\": \"Lebanon\", \"value\": 467}, {\"name\": \"Liberia\", \"value\": 625}, {\"name\": \"Libya\", \"value\": 489}, {\"name\": \"Sri Lanka\", \"value\": 495}, {\"name\": \"Lesotho\", \"value\": 487}, {\"name\": \"Lithuania\", \"value\": 424}, {\"name\": \"Luxembourg\", \"value\": 363}, {\"name\": \"Latvia\", \"value\": 802}, {\"name\": \"Morocco\", \"value\": 641}, {\"name\": \"Moldova\", \"value\": 776}, {\"name\": \"Madagascar\", \"value\": 879}, {\"name\": \"Mexico\", \"value\": 211}, {\"name\": \"Macedonia\", \"value\": 370}, {\"name\": \"Mali\", \"value\": 877}, {\"name\": \"Myanmar\", \"value\": 419}, {\"name\": \"Montenegro\", \"value\": 705}, {\"name\": \"Mongolia\", \"value\": 596}, {\"name\": \"Mozambique\", \"value\": 760}, {\"name\": \"Mauritania\", \"value\": 115}, {\"name\": \"Malawi\", \"value\": 967}, {\"name\": \"Malaysia\", \"value\": 232}, {\"name\": \"Namibia\", \"value\": 913}, {\"name\": \"New Caledonia\", \"value\": 269}, {\"name\": \"Niger\", \"value\": 398}, {\"name\": \"Nigeria\", \"value\": 239}, {\"name\": \"Nicaragua\", \"value\": 644}, {\"name\": \"Netherlands\", \"value\": 122}, {\"name\": \"Norway\", \"value\": 825}, {\"name\": \"Nepal\", \"value\": 588}, {\"name\": \"New Zealand\", \"value\": 746}, {\"name\": \"Oman\", \"value\": 677}, {\"name\": \"Pakistan\", \"value\": 772}, {\"name\": \"Panama\", \"value\": 922}, {\"name\": \"Peru\", \"value\": 622}, {\"name\": \"Philippines\", \"value\": 666}, {\"name\": \"Papua New Guinea\", \"value\": 627}, {\"name\": \"Poland\", \"value\": 949}, {\"name\": \"Puerto Rico\", \"value\": 83}, {\"name\": \"North Korea\", \"value\": 125}, {\"name\": \"Portugal\", \"value\": 138}, {\"name\": \"Paraguay\", \"value\": 537}, {\"name\": \"Qatar\", \"value\": 561}, {\"name\": \"Romania\", \"value\": 645}, {\"name\": \"Russia\", \"value\": 763}, {\"name\": \"Rwanda\", \"value\": 600}, {\"name\": \"Western Sahara\", \"value\": 460}, {\"name\": \"Saudi Arabia\", \"value\": 903}, {\"name\": \"Sudan\", \"value\": 161}, {\"name\": \"South Sudan\", \"value\": 652}, {\"name\": \"Senegal\", \"value\": 161}, {\"name\": \"Solo