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!==",[1786,2648,2010],{"class":1796},[1786,2650,2651],{"class":1836},"darwin",[1786,2653,1833],{"class":1796},[1786,2655,2293],{"class":1941},[1786,2657,1944],{"class":1796},[1786,2659,2661,2664,2666,2669,2671],{"class":1788,"line":2660},55,[1786,2662,2663],{"class":1800},"        app",[1786,2665,1997],{"class":1796},[1786,2667,2668],{"class":1826},"quit",[1786,2670,1919],{"class":1941},[1786,2672,1845],{"class":1796},[1786,2674,2676],{"class":1788,"line":2675},56,[1786,2677,2310],{"class":1796},[1786,2679,2681,2683,2685],{"class":1788,"line":2680},57,[1786,2682,1820],{"class":1796},[1786,2684,1842],{"class":1800},[1786,2686,1845],{"class":1796},[1629,2688,2689],{},"先看打开对话框的部分：",[1646,2691,2692,2698,2707,2713],{},[1649,2693,2694,2697],{},[1637,2695,2696],{},"properties: ['openFile']","：只能选择文件。",[1649,2699,2700,2703,2704,2706],{},[1637,2701,2702],{},"extensions: ['txt']","：只显示 ",[1637,2705,1639],{}," 文件。",[1649,2708,2709,2712],{},[1637,2710,2711],{},"result.canceled","：用户是否取消选择。",[1649,2714,2715,2718],{},[1637,2716,2717],{},"result.filePaths[0]","：用户选择的第一个文件路径。",[1629,2720,2721],{},"取得路径后，下面这行代码读取文件内容：",[1777,2723,2725],{"className":1779,"code":2724,"language":1781,"meta":1782,"style":1782},"const content = await readFile(filePath, 'utf8');\n",[1637,2726,2727],{"__ignoreMap":1782},[1786,2728,2729,2731,2734,2736,2738,2740,2743,2745,2747,2749,2751,2753],{"class":1788,"line":1789},[1786,2730,1793],{"class":1792},[1786,2732,2733],{"class":1800}," content ",[1786,2735,1885],{"class":1796},[1786,2737,2119],{"class":2118},[1786,2739,2356],{"class":1826},[1786,2741,2742],{"class":1800},"(filePath",[1786,2744,1804],{"class":1796},[1786,2746,2010],{"class":1796},[1786,2748,2368],{"class":1836},[1786,2750,1833],{"class":1796},[1786,2752,1842],{"class":1800},[1786,2754,1845],{"class":1796},[1629,2756,2757,2760,2761,2764],{},[1637,2758,2759],{},"'utf8'"," 表示按 UTF-8 编码读取文本。",[1637,2762,2763],{},"path.basename(filePath)"," 则从完整路径中取得文件名。",[1761,2766,2767],{},[1629,2768,2769],{},"Windows、macOS 和 Linux 的文件选择框外观可能不同，实际效果以当前操作系统为准。",[1669,2771],{},[1624,2773,2775],{"id":2774},"给页面提供-opentextfile","🌉 给页面提供 openTextFile",[1629,2777,2778,2780,2781,2783],{},[1637,2779,1738],{}," 已经能选择和读取文件，接下来在 ",[1637,2782,2013],{}," 中给页面提供调用方法：",[1777,2785,2787],{"className":1779,"code":2786,"filename":2013,"language":1781,"meta":1782,"style":1782},"const { contextBridge, ipcRenderer } = require('electron/renderer');\n\ncontextBridge.exposeInMainWorld('electronAPI', {\n    openTextFile: () => ipcRenderer.invoke('file:open-text'),\n});\n",[1637,2788,2789,2822,2826,2849,2880],{"__ignoreMap":1782},[1786,2790,2791,2793,2795,2798,2800,2803,2805,2807,2809,2811,2813,2816,2818,2820],{"class":1788,"line":1789},[1786,2792,1793],{"class":1792},[1786,2794,1797],{"class":1796},[1786,2796,2797],{"class":1800}," contextBridge",[1786,2799,1804],{"class":1796},[1786,2801,2802],{"class":1800}," ipcRenderer ",[1786,2804,1820],{"class":1796},[1786,2806,1823],{"class":1796},[1786,2808,1827],{"class":1826},[1786,2810,1830],{"class":1800},[1786,2812,1833],{"class":1796},[1786,2814,2815],{"class":1836},"electron/renderer",[1786,2817,1833],{"class":1796},[1786,2819,1842],{"class":1800},[1786,2821,1845],{"class":1796},[1786,2823,2824],{"class":1788,"line":1848},[1786,2825,1907],{"emptyLinePlaceholder":1906},[1786,2827,2828,2831,2833,2836,2838,2840,2843,2845,2847],{"class":1788,"line":1877},[1786,2829,2830],{"class":1800},"contextBridge",[1786,2832,1997],{"class":1796},[1786,2834,2835],{"class":1826},"exposeInMainWorld",[1786,2837,1830],{"class":1800},[1786,2839,1833],{"class":1796},[1786,2841,2842],{"class":1836},"electronAPI",[1786,2844,1833],{"class":1796},[1786,2846,1804],{"class":1796},[1786,2848,1922],{"class":1796},[1786,2850,2851,2854,2856,2858,2860,2863,2865,2868,2870,2872,2874,2876,2878],{"class":1788,"line":1903},[1786,2852,2853],{"class":1826},"    openTextFile",[1786,2855,1953],{"class":1796},[1786,2857,2529],{"class":1796},[1786,2859,2459],{"class":1792},[1786,2861,2862],{"class":1800}," ipcRenderer",[1786,2864,1997],{"class":1796},[1786,2866,2867],{"class":1826},"invoke",[1786,2869,1830],{"class":1800},[1786,2871,1833],{"class":1796},[1786,2873,2479],{"class":1836},[1786,2875,1833],{"class":1796},[1786,2877,1842],{"class":1800},[1786,2879,1960],{"class":1796},[1786,2881,2882,2884,2886],{"class":1788,"line":1910},[1786,2883,1820],{"class":1796},[1786,2885,1842],{"class":1800},[1786,2887,1845],{"class":1796},[1629,2889,2890],{},"页面最终可以调用：",[1777,2892,2894],{"className":1779,"code":2893,"language":1781,"meta":1782,"style":1782},"window.electronAPI.openTextFile();\n",[1637,2895,2896],{"__ignoreMap":1782},[1786,2897,2898,2901,2903,2905,2907,2910,2912],{"class":1788,"line":1789},[1786,2899,2900],{"class":1800},"window",[1786,2902,1997],{"class":1796},[1786,2904,2842],{"class":1800},[1786,2906,1997],{"class":1796},[1786,2908,2909],{"class":1826},"openTextFile",[1786,2911,1919],{"class":1800},[1786,2913,1845],{"class":1796},[1629,2915,2916,2917,2919,2920,2922],{},"它会请求 ",[1637,2918,1738],{}," 中同名频道 ",[1637,2921,2479],{}," 的处理函数，并等待文件数据返回。",[1761,2924,2925],{},[1629,2926,2927,2928,2930,2931,2934,2935,2938],{},"这里只给页面提供 ",[1637,2929,1742],{},"，不要把完整的 ",[1637,2932,2933],{},"ipcRenderer"," 或 ",[1637,2936,2937],{},"fs"," 模块暴露给页面。",[1669,2940],{},[1624,2942,2944],{"id":2943},"准备页面","🖥 准备页面",[1629,2946,2947,2948,2950],{},"在 ",[1637,2949,2071],{}," 中添加一个按钮，以及显示文件名和内容的位置：",[1777,2952,2956],{"className":2953,"code":2954,"filename":2071,"language":2955,"meta":1782,"style":1782},"language-html shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","\u003C!doctype html>\n\u003Chtml lang=\"zh-CN\">\n    \u003Chead>\n        \u003Cmeta charset=\"UTF-8\" />\n        \u003Cmeta\n            http-equiv=\"Content-Security-Policy\"\n            content=\"default-src 'self'; script-src 'self'\"\n        />\n        \u003Ctitle>文本文件预览\u003C/title>\n    \u003C/head>\n    \u003Cbody>\n        \u003Ch1>文本文件预览\u003C/h1>\n        \u003Cbutton id=\"open-file\" type=\"button\">选择文件\u003C/button>\n        \u003Cp id=\"file-name\">还没有选择文件\u003C/p>\n        \u003Cpre id=\"file-content\">\u003C/pre>\n\n        \u003Cscript src=\"./renderer.js\">\u003C/script>\n    \u003C/body>\n\u003C/html>\n","html",[1637,2957,2958,2972,2994,3004,3027,3034,3049,3063,3068,3088,3097,3106,3123,3163,3191,3215,3219,3244,3252],{"__ignoreMap":1782},[1786,2959,2960,2963,2966,2969],{"class":1788,"line":1789},[1786,2961,2962],{"class":1796},"\u003C!",[1786,2964,2965],{"class":1941},"doctype",[1786,2967,2968],{"class":1792}," html",[1786,2970,2971],{"class":1796},">\n",[1786,2973,2974,2977,2979,2982,2984,2987,2990,2992],{"class":1788,"line":1848},[1786,2975,2976],{"class":1796},"\u003C",[1786,2978,2955],{"class":1941},[1786,2980,2981],{"class":1792}," lang",[1786,2983,1885],{"class":1796},[1786,2985,2986],{"class":1796},"\"",[1786,2988,2989],{"class":1836},"zh-CN",[1786,2991,2986],{"class":1796},[1786,2993,2971],{"class":1796},[1786,2995,2996,2999,3002],{"class":1788,"line":1877},[1786,2997,2998],{"class":1796},"    \u003C",[1786,3000,3001],{"class":1941},"head",[1786,3003,2971],{"class":1796},[1786,3005,3006,3009,3012,3015,3017,3019,3022,3024],{"class":1788,"line":1903},[1786,3007,3008],{"class":1796},"        \u003C",[1786,3010,3011],{"class":1941},"meta",[1786,3013,3014],{"class":1792}," charset",[1786,3016,1885],{"class":1796},[1786,3018,2986],{"class":1796},[1786,3020,3021],{"class":1836},"UTF-8",[1786,3023,2986],{"class":1796},[1786,3025,3026],{"class":1796}," />\n",[1786,3028,3029,3031],{"class":1788,"line":1910},[1786,3030,3008],{"class":1796},[1786,3032,3033],{"class":1941},"meta\n",[1786,3035,3036,3039,3041,3043,3046],{"class":1788,"line":1925},[1786,3037,3038],{"class":1792},"            http-equiv",[1786,3040,1885],{"class":1796},[1786,3042,2986],{"class":1796},[1786,3044,3045],{"class":1836},"Content-Security-Policy",[1786,3047,3048],{"class":1796},"\"\n",[1786,3050,3051,3054,3056,3058,3061],{"class":1788,"line":1947},[1786,3052,3053],{"class":1792},"            content",[1786,3055,1885],{"class":1796},[1786,3057,2986],{"class":1796},[1786,3059,3060],{"class":1836},"default-src 'self'; script-src 'self'",[1786,3062,3048],{"class":1796},[1786,3064,3065],{"class":1788,"line":1963},[1786,3066,3067],{"class":1796},"        />\n",[1786,3069,3070,3072,3075,3078,3081,3084,3086],{"class":1788,"line":1976},[1786,3071,3008],{"class":1796},[1786,3073,3074],{"class":1941},"title",[1786,3076,3077],{"class":1796},">",[1786,3079,3080],{"class":1800},"文本文件预览",[1786,3082,3083],{"class":1796},"\u003C/",[1786,3085,3074],{"class":1941},[1786,3087,2971],{"class":1796},[1786,3089,3090,3093,3095],{"class":1788,"line":1986},[1786,3091,3092],{"class":1796},"    \u003C/",[1786,3094,3001],{"class":1941},[1786,3096,2971],{"class":1796},[1786,3098,3099,3101,3104],{"class":1788,"line":2022},[1786,3100,2998],{"class":1796},[1786,3102,3103],{"class":1941},"body",[1786,3105,2971],{"class":1796},[1786,3107,3108,3110,3113,3115,3117,3119,3121],{"class":1788,"line":2028},[1786,3109,3008],{"class":1796},[1786,3111,3112],{"class":1941},"h1",[1786,3114,3077],{"class":1796},[1786,3116,3080],{"class":1800},[1786,3118,3083],{"class":1796},[1786,3120,3112],{"class":1941},[1786,3122,2971],{"class":1796},[1786,3124,3125,3127,3130,3133,3135,3137,3140,3142,3145,3147,3149,3151,3153,3155,3157,3159,3161],{"class":1788,"line":2038},[1786,3126,3008],{"class":1796},[1786,3128,3129],{"class":1941},"button",[1786,3131,3132],{"class":1792}," id",[1786,3134,1885],{"class":1796},[1786,3136,2986],{"class":1796},[1786,3138,3139],{"class":1836},"open-file",[1786,3141,2986],{"class":1796},[1786,3143,3144],{"class":1792}," type",[1786,3146,1885],{"class":1796},[1786,3148,2986],{"class":1796},[1786,3150,3129],{"class":1836},[1786,3152,2986],{"class":1796},[1786,3154,3077],{"class":1796},[1786,3156,1705],{"class":1800},[1786,3158,3083],{"class":1796},[1786,3160,3129],{"class":1941},[1786,3162,2971],{"class":1796},[1786,3164,3165,3167,3169,3171,3173,3175,3178,3180,3182,3185,3187,3189],{"class":1788,"line":2043},[1786,3166,3008],{"class":1796},[1786,3168,1629],{"class":1941},[1786,3170,3132],{"class":1792},[1786,3172,1885],{"class":1796},[1786,3174,2986],{"class":1796},[1786,3176,3177],{"class":1836},"file-name",[1786,3179,2986],{"class":1796},[1786,3181,3077],{"class":1796},[1786,3183,3184],{"class":1800},"还没有选择文件",[1786,3186,3083],{"class":1796},[1786,3188,1629],{"class":1941},[1786,3190,2971],{"class":1796},[1786,3192,3193,3195,3197,3199,3201,3203,3206,3208,3211,3213],{"class":1788,"line":2081},[1786,3194,3008],{"class":1796},[1786,3196,1777],{"class":1941},[1786,3198,3132],{"class":1792},[1786,3200,1885],{"class":1796},[1786,3202,2986],{"class":1796},[1786,3204,3205],{"class":1836},"file-content",[1786,3207,2986],{"class":1796},[1786,3209,3210],{"class":1796},">\u003C/",[1786,3212,1777],{"class":1941},[1786,3214,2971],{"class":1796},[1786,3216,3217],{"class":1788,"line":2087},[1786,3218,1907],{"emptyLinePlaceholder":1906},[1786,3220,3221,3223,3226,3229,3231,3233,3236,3238,3240,3242],{"class":1788,"line":2092},[1786,3222,3008],{"class":1796},[1786,3224,3225],{"class":1941},"script",[1786,3227,3228],{"class":1792}," src",[1786,3230,1885],{"class":1796},[1786,3232,2986],{"class":1796},[1786,3234,3235],{"class":1836},"./renderer.js",[1786,3237,2986],{"class":1796},[1786,3239,3210],{"class":1796},[1786,3241,3225],{"class":1941},[1786,3243,2971],{"class":1796},[1786,3245,3246,3248,3250],{"class":1788,"line":2108},[1786,3247,3092],{"class":1796},[1786,3249,3103],{"class":1941},[1786,3251,2971],{"class":1796},[1786,3253,3254,3256,3258],{"class":1788,"line":2132},[1786,3255,3083],{"class":1796},[1786,3257,2955],{"class":1941},[1786,3259,2971],{"class":1796},[1629,3261,3262,3264],{},[1637,3263,1777],{}," 元素会保留文本中的换行和空格，适合预览纯文本文件。",[1669,3266],{},[1624,3268,3270],{"id":3269},"点击按钮并显示内容","🖱 点击按钮并显示内容",[1629,3272,3273,3274,3277],{},"最后在 ",[1637,3275,3276],{},"renderer.js"," 中处理按钮点击：",[1777,3279,3281],{"className":1779,"code":3280,"filename":3276,"language":1781,"meta":1782,"style":1782},"const openButton = document.querySelector('#open-file');\nconst fileName = document.querySelector('#file-name');\nconst fileContent = document.querySelector('#file-content');\n\nopenButton.addEventListener('click', async () => {\n    try {\n        const file = await window.electronAPI.openTextFile();\n\n        if (!file) {\n            fileName.textContent = '已取消选择';\n            return;\n        }\n\n        fileName.textContent = file.name;\n        fileContent.textContent = file.content;\n    } catch (error) {\n        console.error('读取文件失败：', error);\n        fileName.textContent = '读取文件失败';\n        fileContent.textContent = '';\n    }\n});\n",[1637,3282,3283,3313,3341,3369,3373,3403,3410,3437,3441,3457,3478,3485,3489,3493,3513,3533,3549,3576,3595,3610,3614],{"__ignoreMap":1782},[1786,3284,3285,3287,3290,3292,3295,3297,3300,3302,3304,3307,3309,3311],{"class":1788,"line":1789},[1786,3286,1793],{"class":1792},[1786,3288,3289],{"class":1800}," openButton ",[1786,3291,1885],{"class":1796},[1786,3293,3294],{"class":1800}," document",[1786,3296,1997],{"class":1796},[1786,3298,3299],{"class":1826},"querySelector",[1786,3301,1830],{"class":1800},[1786,3303,1833],{"class":1796},[1786,3305,3306],{"class":1836},"#open-file",[1786,3308,1833],{"class":1796},[1786,3310,1842],{"class":1800},[1786,3312,1845],{"class":1796},[1786,3314,3315,3317,3320,3322,3324,3326,3328,3330,3332,3335,3337,3339],{"class":1788,"line":1848},[1786,3316,1793],{"class":1792},[1786,3318,3319],{"class":1800}," fileName ",[1786,3321,1885],{"class":1796},[1786,3323,3294],{"class":1800},[1786,3325,1997],{"class":1796},[1786,3327,3299],{"class":1826},[1786,3329,1830],{"class":1800},[1786,3331,1833],{"class":1796},[1786,3333,3334],{"class":1836},"#file-name",[1786,3336,1833],{"class":1796},[1786,3338,1842],{"class":1800},[1786,3340,1845],{"class":1796},[1786,3342,3343,3345,3348,3350,3352,3354,3356,3358,3360,3363,3365,3367],{"class":1788,"line":1877},[1786,3344,1793],{"class":1792},[1786,3346,3347],{"class":1800}," fileContent ",[1786,3349,1885],{"class":1796},[1786,3351,3294],{"class":1800},[1786,3353,1997],{"class":1796},[1786,3355,3299],{"class":1826},[1786,3357,1830],{"class":1800},[1786,3359,1833],{"class":1796},[1786,3361,3362],{"class":1836},"#file-content",[1786,3364,1833],{"class":1796},[1786,3366,1842],{"class":1800},[1786,3368,1845],{"class":1796},[1786,3370,3371],{"class":1788,"line":1903},[1786,3372,1907],{"emptyLinePlaceholder":1906},[1786,3374,3375,3378,3380,3383,3385,3387,3390,3392,3394,3397,3399,3401],{"class":1788,"line":1910},[1786,3376,3377],{"class":1800},"openButton",[1786,3379,1997],{"class":1796},[1786,3381,3382],{"class":1826},"addEventListener",[1786,3384,1830],{"class":1800},[1786,3386,1833],{"class":1796},[1786,3388,3389],{"class":1836},"click",[1786,3391,1833],{"class":1796},[1786,3393,1804],{"class":1796},[1786,3395,3396],{"class":1792}," async",[1786,3398,2529],{"class":1796},[1786,3400,2459],{"class":1792},[1786,3402,1922],{"class":1796},[1786,3404,3405,3408],{"class":1788,"line":1925},[1786,3406,3407],{"class":2118},"    try",[1786,3409,1922],{"class":1796},[1786,3411,3412,3415,3418,3420,3422,3425,3427,3429,3431,3433,3435],{"class":1788,"line":1947},[1786,3413,3414],{"class":1792},"        const",[1786,3416,3417],{"class":1800}," file",[1786,3419,1823],{"class":1796},[1786,3421,2119],{"class":2118},[1786,3423,3424],{"class":1800}," window",[1786,3426,1997],{"class":1796},[1786,3428,2842],{"class":1800},[1786,3430,1997],{"class":1796},[1786,3432,2909],{"class":1826},[1786,3434,1919],{"class":1941},[1786,3436,1845],{"class":1796},[1786,3438,3439],{"class":1788,"line":1963},[1786,3440,1907],{"emptyLinePlaceholder":1906},[1786,3442,3443,3445,3447,3450,3453,3455],{"class":1788,"line":1976},[1786,3444,2539],{"class":2118},[1786,3446,2261],{"class":1941},[1786,3448,3449],{"class":1796},"!",[1786,3451,3452],{"class":1800},"file",[1786,3454,2293],{"class":1941},[1786,3456,1944],{"class":1796},[1786,3458,3459,3462,3464,3467,3469,3471,3474,3476],{"class":1788,"line":1986},[1786,3460,3461],{"class":1800},"            fileName",[1786,3463,1997],{"class":1796},[1786,3465,3466],{"class":1800},"textContent",[1786,3468,1823],{"class":1796},[1786,3470,2010],{"class":1796},[1786,3472,3473],{"class":1836},"已取消选择",[1786,3475,1833],{"class":1796},[1786,3477,1845],{"class":1796},[1786,3479,3480,3483],{"class":1788,"line":2022},[1786,3481,3482],{"class":2118},"            return",[1786,3484,1845],{"class":1796},[1786,3486,3487],{"class":1788,"line":2028},[1786,3488,2579],{"class":1796},[1786,3490,3491],{"class":1788,"line":2038},[1786,3492,1907],{"emptyLinePlaceholder":1906},[1786,3494,3495,3498,3500,3502,3504,3506,3508,3511],{"class":1788,"line":2043},[1786,3496,3497],{"class":1800},"        fileName",[1786,3499,1997],{"class":1796},[1786,3501,3466],{"class":1800},[1786,3503,1823],{"class":1796},[1786,3505,3417],{"class":1800},[1786,3507,1997],{"class":1796},[1786,3509,3510],{"class":1800},"name",[1786,3512,1845],{"class":1796},[1786,3514,3515,3518,3520,3522,3524,3526,3528,3531],{"class":1788,"line":2081},[1786,3516,3517],{"class":1800},"        fileContent",[1786,3519,1997],{"class":1796},[1786,3521,3466],{"class":1800},[1786,3523,1823],{"class":1796},[1786,3525,3417],{"class":1800},[1786,3527,1997],{"class":1796},[1786,3529,3530],{"class":1800},"content",[1786,3532,1845],{"class":1796},[1786,3534,3535,3537,3540,3542,3545,3547],{"class":1788,"line":2087},[1786,3536,2031],{"class":1796},[1786,3538,3539],{"class":2118}," catch",[1786,3541,2261],{"class":1941},[1786,3543,3544],{"class":1800},"error",[1786,3546,2293],{"class":1941},[1786,3548,1944],{"class":1796},[1786,3550,3551,3554,3556,3558,3560,3562,3565,3567,3569,3572,3574],{"class":1788,"line":2092},[1786,3552,3553],{"class":1800},"        console",[1786,3555,1997],{"class":1796},[1786,3557,3544],{"class":1826},[1786,3559,1830],{"class":1941},[1786,3561,1833],{"class":1796},[1786,3563,3564],{"class":1836},"读取文件失败：",[1786,3566,1833],{"class":1796},[1786,3568,1804],{"class":1796},[1786,3570,3571],{"class":1800}," error",[1786,3573,1842],{"class":1941},[1786,3575,1845],{"class":1796},[1786,3577,3578,3580,3582,3584,3586,3588,3591,3593],{"class":1788,"line":2108},[1786,3579,3497],{"class":1800},[1786,3581,1997],{"class":1796},[1786,3583,3466],{"class":1800},[1786,3585,1823],{"class":1796},[1786,3587,2010],{"class":1796},[1786,3589,3590],{"class":1836},"读取文件失败",[1786,3592,1833],{"class":1796},[1786,3594,1845],{"class":1796},[1786,3596,3597,3599,3601,3603,3605,3608],{"class":1788,"line":2132},[1786,3598,3517],{"class":1800},[1786,3600,1997],{"class":1796},[1786,3602,3466],{"class":1800},[1786,3604,1823],{"class":1796},[1786,3606,3607],{"class":1796}," ''",[1786,3609,1845],{"class":1796},[1786,3611,3612],{"class":1788,"line":2149},[1786,3613,2310],{"class":1796},[1786,3615,3616,3618,3620],{"class":1788,"line":2172},[1786,3617,1820],{"class":1796},[1786,3619,1842],{"class":1800},[1786,3621,1845],{"class":1796},[1629,3623,3624],{},"这里需要处理三种结果：",[1646,3626,3627,3630,3633],{},[1649,3628,3629],{},"用户选择文件：显示文件名和内容。",[1649,3631,3632],{},"用户取消选择：显示“已取消选择”。",[1649,3634,3635],{},"文件读取失败：显示错误提示。",[1629,3637,3638,3639,3641],{},"文件内容使用 ",[1637,3640,3466],{}," 显示。即使文本中包含 HTML 标签，也只会显示为普通文字。",[1629,3643,3644],{},"运行项目：",[1777,3646,3650],{"className":3647,"code":3648,"language":3649,"meta":1782,"style":1782},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","npm start\n","bash",[1637,3651,3652],{"__ignoreMap":1782},[1786,3653,3654,3658],{"class":1788,"line":1789},[1786,3655,3657],{"class":3656},"sYGMc","npm",[1786,3659,3660],{"class":1836}," start\n",[1629,3662,3663,3664,3666],{},"点击“选择文件”，选择一个 UTF-8 编码的 ",[1637,3665,1639],{}," 文件，页面就会显示文件名和内容。",[1669,3668],{},[1624,3670,3672],{"id":3671},"常见问题","🪤 常见问题",[3674,3675,3677],"h3",{"id":3676},"出现-attempted-to-register-a-second-handler","出现 Attempted to register a second handler",[1629,3679,3680,3681,3683,3684,3686,3687,3690,3691,3693],{},"这表示 ",[1637,3682,1738],{}," 中重复注册了 ",[1637,3685,2479],{},"。搜索这个频道名，只保留一个 ",[1637,3688,3689],{},"ipcMain.handle","；直接使用本文的完整 ",[1637,3692,1738],{}," 替换旧文件即可避免重复。",[3674,3695,3696],{"id":3696},"点击按钮后没有反应",[1629,3698,3699,3700,3702,3703,3705],{},"先检查 ",[1637,3701,2544],{}," 是否正确配置了 ",[1637,3704,2013],{},"：",[1777,3707,3709],{"className":1779,"code":3708,"filename":1738,"language":1781,"meta":1782,"style":1782},"const win = new BrowserWindow({\n    webPreferences: {\n        preload: path.join(__dirname, 'preload.js'),\n    },\n});\n",[1637,3710,3711,3728,3737,3765,3770],{"__ignoreMap":1782},[1786,3712,3713,3715,3718,3720,3722,3724,3726],{"class":1788,"line":1789},[1786,3714,1793],{"class":1792},[1786,3716,3717],{"class":1800}," win ",[1786,3719,1885],{"class":1796},[1786,3721,1936],{"class":1796},[1786,3723,1807],{"class":1826},[1786,3725,1830],{"class":1800},[1786,3727,1944],{"class":1796},[1786,3729,3730,3733,3735],{"class":1788,"line":1848},[1786,3731,3732],{"class":1941},"    webPreferences",[1786,3734,1953],{"class":1796},[1786,3736,1922],{"class":1796},[1786,3738,3739,3742,3744,3746,3748,3750,3753,3755,3757,3759,3761,3763],{"class":1788,"line":1877},[1786,3740,3741],{"class":1941},"        preload",[1786,3743,1953],{"class":1796},[1786,3745,1994],{"class":1800},[1786,3747,1997],{"class":1796},[1786,3749,2000],{"class":1826},[1786,3751,3752],{"class":1800},"(__dirname",[1786,3754,1804],{"class":1796},[1786,3756,2010],{"class":1796},[1786,3758,2013],{"class":1836},[1786,3760,1833],{"class":1796},[1786,3762,1842],{"class":1800},[1786,3764,1960],{"class":1796},[1786,3766,3767],{"class":1788,"line":1903},[1786,3768,3769],{"class":1796},"    },\n",[1786,3771,3772,3774,3776],{"class":1788,"line":1910},[1786,3773,1820],{"class":1796},[1786,3775,1842],{"class":1800},[1786,3777,1845],{"class":1796},[1629,3779,3780,3781,1641],{},"还要确认预加载脚本和主进程使用了相同的频道名：",[1637,3782,2479],{},[3674,3784,3785],{"id":3785},"取消选择后为什么没有文件数据",[1629,3787,3788,3789,3791,3792,3795,3796,3799],{},"取消属于正常操作。",[1637,3790,1742],{}," 会返回 ",[1637,3793,3794],{},"null","，页面判断 ",[1637,3797,3798],{},"!file"," 后直接结束即可。",[3674,3801,3803],{"id":3802},"为什么看不到-markdown-文件","为什么看不到 Markdown 文件",[1629,3805,3806,3807,3810,3811,3813],{},"当前 ",[1637,3808,3809],{},"filters"," 只包含 ",[1637,3812,2218],{},"。如果还要选择 Markdown 文件，可以改成：",[1777,3815,3817],{"className":1779,"code":3816,"language":1781,"meta":1782,"style":1782},"extensions: ['txt', 'md'],\n",[1637,3818,3819],{"__ignoreMap":1782},[1786,3820,3821,3824,3826,3828,3830,3832,3834,3836,3838,3841,3843,3845],{"class":1788,"line":1789},[1786,3822,3823],{"class":3656},"extensions",[1786,3825,1953],{"class":1796},[1786,3827,2157],{"class":1800},[1786,3829,1833],{"class":1796},[1786,3831,2218],{"class":1836},[1786,3833,1833],{"class":1796},[1786,3835,1804],{"class":1796},[1786,3837,2010],{"class":1796},[1786,3839,3840],{"class":1836},"md",[1786,3842,1833],{"class":1796},[1786,3844,2167],{"class":1800},[1786,3846,1960],{"class":1796},[1629,3848,3849,3850,3853,3854,1641],{},"扩展名不要写点号，应写成 ",[1637,3851,3852],{},"'md'","，而不是 ",[1637,3855,3856],{},"'.md'",[3674,3858,3859],{"id":3859},"为什么中文内容显示乱码",[1629,3861,3862],{},"本例按照 UTF-8 读取文件。如果原文件使用其他编码，需要先把文件转换为 UTF-8，或使用对应的解码方式。",[1669,3864],{},[1624,3866,3868],{"id":3867},"小节总结","🧾 小节总结",[1646,3870,3871,3876,3881,3887,3890,3895],{},[1649,3872,3873,3875],{},[1637,3874,1729],{}," 负责打开系统文件选择框。",[1649,3877,3878,3880],{},[1637,3879,1729],{}," 返回路径，不会自动读取文件。",[1649,3882,3883,3886],{},[1637,3884,3885],{},"readFile(filePath, 'utf8')"," 用于读取文本内容。",[1649,3888,3889],{},"用户取消选择时，应该正常结束，不需要显示错误。",[1649,3891,3892,3893,1641],{},"预加载脚本只向页面提供用途明确的 ",[1637,3894,1742],{},[1649,3896,3897,3898,3900],{},"页面使用 ",[1637,3899,3466],{}," 显示文件内容。",[1669,3902],{},[1624,3904,3906],{"id":3905},"知识问答","❓ 知识问答",[1629,3908,3909],{},[1633,3910,3911],{},"Q1：为什么 filePaths 是数组？",[1629,3913,3914,3915,3917],{},"A：因为 ",[1637,3916,1729],{}," 支持多选。本文只选择一个文件，所以读取第一个元素。",[1629,3919,3920],{},[1633,3921,3922],{},"Q2：filters 能证明文件一定是文本吗？",[1629,3924,3925],{},"A：不能。它只按扩展名筛选文件，不能检查文件内部的内容。",[1629,3927,3928],{},[1633,3929,3930],{},"Q3：为什么 readFile 要写 utf8？",[1629,3932,3933,3934,3936],{},"A：因为本文读取的是文本。指定 ",[1637,3935,2368],{}," 后，返回值才是字符串。",[1629,3938,3939],{},[1633,3940,3941],{},"Q4：为什么 dialog 写在 main.js 中？",[1629,3943,3944,3945,3948],{},"A：",[1637,3946,3947],{},"dialog"," 是主进程模块，不能直接在普通页面脚本中使用。",[1669,3950],{},[1624,3952,3954],{"id":3953},"小练习","🧪 小练习",[1629,3956,3957,3960,3961,3963,3964,2706],{},[1633,3958,3959],{},"练习一","：让文件选择框同时支持 ",[1637,3962,1639],{}," 和 ",[1637,3965,3966],{},".md",[1777,3968,3970],{"className":1779,"code":3969,"language":1781,"meta":1782,"style":1782},"filters: [\n    {\n        name: '文本文件',\n        // 请在这里编写代码\n    },\n],\n",[1637,3971,3972,3980,3985,3999,4005,4009],{"__ignoreMap":1782},[1786,3973,3974,3976,3978],{"class":1788,"line":1789},[1786,3975,3809],{"class":3656},[1786,3977,1953],{"class":1796},[1786,3979,2180],{"class":1800},[1786,3981,3982],{"class":1788,"line":1848},[1786,3983,3984],{"class":1796},"    {\n",[1786,3986,3987,3989,3991,3993,3995,3997],{"class":1788,"line":1877},[1786,3988,2393],{"class":1941},[1786,3990,1953],{"class":1796},[1786,3992,2010],{"class":1796},[1786,3994,2199],{"class":1836},[1786,3996,1833],{"class":1796},[1786,3998,1960],{"class":1796},[1786,4000,4001],{"class":1788,"line":1903},[1786,4002,4004],{"class":4003},"syuKq","        // 请在这里编写代码\n",[1786,4006,4007],{"class":1788,"line":1910},[1786,4008,3769],{"class":1796},[1786,4010,4011,4013],{"class":1788,"line":1925},[1786,4012,2167],{"class":1800},[1786,4014,1960],{"class":1796},[1629,4016,4017,4020],{},[1633,4018,4019],{},"练习二","：成功读取文件后，把页面标题改成文件名。",[1777,4022,4024],{"className":1779,"code":4023,"filename":3276,"language":1781,"meta":1782,"style":1782},"if (file) {\n    // 请在这里编写代码\n}\n",[1637,4025,4026,4036,4041],{"__ignoreMap":1782},[1786,4027,4028,4031,4034],{"class":1788,"line":1789},[1786,4029,4030],{"class":2118},"if",[1786,4032,4033],{"class":1800}," (file) ",[1786,4035,1944],{"class":1796},[1786,4037,4038],{"class":1788,"line":1848},[1786,4039,4040],{"class":4003},"    // 请在这里编写代码\n",[1786,4042,4043],{"class":1788,"line":1877},[1786,4044,2084],{"class":1796},[1669,4046],{},[1629,4048,4049],{},"🎉 恭喜你已经完成 Electron 文本文件选择与读取功能啦！",[4051,4052,4053],"style",{},"html pre.shiki code .s50WR, html code.shiki .s50WR{--shiki-light:#9C3EDA;--shiki-default:#C792EA;--shiki-dark:#C792EA}html pre.shiki code .s86vT, html code.shiki .s86vT{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sndM8, html code.shiki .sndM8{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .swgpB, html code.shiki .swgpB{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sIEYB, html code.shiki .sIEYB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .sd2Uz, html code.shiki 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