How to get json string from the url?
问题 The url is : http://reportguru.webdenza.com/vdetect-pro-2/api.php?q={%22svc%22:%22avl_evts%22,%22app%22:%22hst%22,%22sid%22:%22e93c3c3fbc1e3add3a518ca9d3f28d65%22} The url contains the following json string. { "tm": 1395378731, "events": [ { "i": 828930, "t": "u", "d": { "prms": { "battery_charge": { "v": 0, "ct": 1395374632, "at": 1395374632 }, "in": { "v": 0, "ct": 1395374632, "at": 1395374632 }, "in1": { "v": 0, "ct": 1395374632, "at": 1395374632 }, "in10": 1395374632, "in11": 1395374632,